{"id":1414,"date":"2026-11-13T16:15:57","date_gmt":"2026-11-13T13:15:57","guid":{"rendered":"https:\/\/www.verigom.com\/blog\/?p=1414"},"modified":"2026-11-13T16:16:17","modified_gmt":"2026-11-13T13:16:17","slug":"sql-update-nedir","status":"publish","type":"post","link":"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/","title":{"rendered":"SQL UPDATE Nedir?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">SQL UPDATE, veritaban\u0131ndaki mevcut kay\u0131tlar\u0131n de\u011fi\u015ftirilmesini sa\u011flayan bir SQL komutudur. Bir tablodaki tek bir kayd\u0131, birden fazla kayd\u0131 veya belirli s\u00fctunlardaki de\u011ferleri g\u00fcncellemek i\u00e7in kullan\u0131l\u0131r. UPDATE komutu, \u00f6zellikle kullan\u0131c\u0131 bilgileri, \u00fcr\u00fcn fiyatlar\u0131, stok miktarlar\u0131 ve sipari\u015f durumlar\u0131 gibi de\u011fi\u015fken verilerin y\u00f6netiminde \u00f6nemli bir yere sahiptir. SQL UPDATE i\u015flemlerinde <\/span><span style=\"color: #ff6600;\"><strong>SET<\/strong><\/span><span style=\"font-weight: 400;\"> ifadesi yeni de\u011feri belirlerken <\/span><span style=\"color: #ff6600;\"><strong>WHERE<\/strong><\/span><span style=\"font-weight: 400;\"> ko\u015fulu hangi kay\u0131tlar\u0131n g\u00fcncellenece\u011fini kontrol eder.<\/span><\/p>\n\n<article>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_88 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u0130\u00e7indekiler<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u0130\u00e7indekiler Tablosunu A\u00e7\/Kapat\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_Ne_Ise_Yarar\" >SQL UPDATE Ne \u0130\u015fe Yarar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_Komutu_Nasil_Kullanilir\" >SQL UPDATE Komutu Nas\u0131l Kullan\u0131l\u0131r?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_Soz_Dizimi\" >SQL UPDATE S\u00f6z Dizimi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#WHERE_ile_Belirli_Bir_Kaydi_Guncelleme\" >WHERE ile Belirli Bir Kayd\u0131 G\u00fcncelleme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#Birden_Fazla_Sutunu_Guncelleme\" >Birden Fazla S\u00fctunu G\u00fcncelleme<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_Ornekleri\" >SQL UPDATE \u00d6rnekleri<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#Tek_Bir_Kaydi_Guncelleme\" >Tek Bir Kayd\u0131 G\u00fcncelleme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#Birden_Fazla_Kaydi_Guncelleme\" >Birden Fazla Kayd\u0131 G\u00fcncelleme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#Matematiksel_Islemle_Veri_Guncelleme\" >Matematiksel \u0130\u015flemle Veri G\u00fcncelleme<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#NULL_Degerleri_Guncelleme\" >NULL De\u011ferleri G\u00fcncelleme<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_ile_JOIN_Nasil_Kullanilir\" >SQL UPDATE ile JOIN Nas\u0131l Kullan\u0131l\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_ve_INSERT_Arasindaki_Farklar\" >SQL UPDATE ve INSERT Aras\u0131ndaki Farklar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_ve_DELETE_Arasindaki_Farklar\" >SQL UPDATE ve DELETE Aras\u0131ndaki Farklar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_Kullanirken_Dikkat_Edilmesi_Gerekenler\" >SQL UPDATE Kullan\u0131rken Dikkat Edilmesi Gerekenler<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_Islemi_Nasil_Geri_Alinir\" >SQL UPDATE \u0130\u015flemi Nas\u0131l Geri Al\u0131n\u0131r?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#Sik_Sorulan_Sorular\" >S\u0131k Sorulan Sorular<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_komutu_ne_ise_yarar\" >SQL UPDATE komutu ne i\u015fe yarar?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_WHERE_olmadan_kullanilir_mi\" >SQL UPDATE WHERE olmadan kullan\u0131l\u0131r m\u0131?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_birden_fazla_satiri_gunceller_mi\" >SQL UPDATE birden fazla sat\u0131r\u0131 g\u00fcnceller mi?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_ile_birden_fazla_sutun_degistirilebilir_mi\" >SQL UPDATE ile birden fazla s\u00fctun de\u011fi\u015ftirilebilir mi?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_islemi_geri_alinabilir_mi\" >SQL UPDATE i\u015flemi geri al\u0131nabilir mi?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.verigom.com\/blog\/sql-update-nedir\/#SQL_UPDATE_ve_ALTER_arasindaki_fark_nedir\" >SQL UPDATE ve ALTER aras\u0131ndaki fark nedir?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 id=\"sql-update-ne-ise-yarar\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_Ne_Ise_Yarar\"><\/span><span style=\"font-weight: 400;\">SQL UPDATE Ne \u0130\u015fe Yarar?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SQL UPDATE komutu, veritaban\u0131nda daha \u00f6nce olu\u015fturulmu\u015f kay\u0131tlar\u0131n de\u011fi\u015ftirilmesini sa\u011flar. Yeni kay\u0131t eklemek yerine mevcut veriler \u00fczerinde d\u00fczenleme yap\u0131lmas\u0131 gerekti\u011finde kullan\u0131l\u0131r.<\/p>\n<p>Bir e-ticaret sitesinde \u00fcr\u00fcn fiyatlar\u0131n\u0131n de\u011fi\u015ftirilmesi, m\u00fc\u015fteri adreslerinin g\u00fcncellenmesi veya sipari\u015f durumunun de\u011fi\u015ftirilmesi UPDATE komutuyla ger\u00e7ekle\u015ftirilebilir. Veritaban\u0131 kullanan web uygulamalar\u0131nda bu i\u015flemler, uygulaman\u0131n \u00e7al\u0131\u015ft\u0131\u011f\u0131 <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/www.verigom.com\/web-hosting\/\"><strong>hosting altyap\u0131s\u0131<\/strong><\/a><\/span> \u00fczerinden veritaban\u0131 sunucusuna g\u00f6nderilen sorgularla y\u00fcr\u00fct\u00fcl\u00fcr.<\/p>\n<p>Ancak UPDATE komutunun kendisi bar\u0131nd\u0131rma hizmetinden ba\u011f\u0131ms\u0131z bir SQL i\u015flemidir. SQL UPDATE komutunun yayg\u0131n kullan\u0131m alanlar\u0131 \u015funlard\u0131r:<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 1.2em 0 1.4em;\">\n<div style=\"flex: 1 1 200px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Kullan\u0131c\u0131 bilgileri<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">Kullan\u0131c\u0131lar\u0131n profil ve ileti\u015fim bilgilerini g\u00fcncellemek.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Fiyat ve stok<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">\u00dcr\u00fcnlerin fiyat ve stok bilgilerini de\u011fi\u015ftirmek.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Sipari\u015f durumu<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">Sipari\u015flerin durumunu g\u00fcncellemek.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Veri d\u00fczeltme<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">Hatal\u0131 girilmi\u015f verileri d\u00fczeltmek.<\/p>\n<\/div>\n<div style=\"flex: 1 1 200px; border: 1px solid #efe4da; border-radius: 12px; padding: 16px 18px; background: #fff;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Toplu g\u00fcncelleme<\/strong><\/p>\n<p style=\"margin: 0; font-size: .95em; color: #5b6575;\">Belirli ko\u015fullar\u0131 kar\u015f\u0131layan kay\u0131tlar\u0131 toplu olarak de\u011fi\u015ftirmek.<\/p>\n<\/div>\n<\/div>\n<h2 id=\"sql-update-komutu-nasil-kullanilir\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_Komutu_Nasil_Kullanilir\"><\/span><span style=\"font-weight: 400;\">SQL UPDATE Komutu Nas\u0131l Kullan\u0131l\u0131r?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SQL UPDATE komutu, g\u00fcncellenecek tabloyu, de\u011fi\u015ftirilecek s\u00fctunlar\u0131 ve iste\u011fe ba\u011fl\u0131 olarak g\u00fcncellenecek kay\u0131tlar\u0131 belirleyen ko\u015fullar\u0131 i\u00e7erir.<\/p>\n<h3 id=\"sql-update-soz-dizimi\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_Soz_Dizimi\"><\/span><span style=\"font-weight: 400;\">SQL UPDATE S\u00f6z Dizimi<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>UPDATE komutunun temel kullan\u0131m\u0131 \u015fu \u015fekildedir:<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">S\u00f6z dizimi<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> tablo_adi<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> sutun_adi = yeni_deger<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> kosul;<\/div>\n<\/div>\n<\/div>\n<p>Bu sorguda kullan\u0131lan ifadelerin g\u00f6revleri \u015f\u00f6yledir:<\/p>\n<div style=\"border: 1px solid #efe4da; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 12px 16px;\"><span style=\"flex: 0 0 110px;\"><code style=\"background: #ea580c; color: #fff; border-radius: 6px; padding: 3px 10px; font-family: Consolas,Menlo,'Courier New',monospace; font-weight: bold; font-size: .9em;\">UPDATE<\/code><\/span><span style=\"flex: 1 1 260px;\">G\u00fcncellenecek tabloyu belirtir.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 12px 16px; border-top: 1px solid #efe4da;\"><span style=\"flex: 0 0 110px;\"><code style=\"background: #ea580c; color: #fff; border-radius: 6px; padding: 3px 10px; font-family: Consolas,Menlo,'Courier New',monospace; font-weight: bold; font-size: .9em;\">SET<\/code><\/span><span style=\"flex: 1 1 260px;\">De\u011fi\u015ftirilecek s\u00fctunu ve yeni de\u011ferini tan\u0131mlar.<\/span><\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: center; padding: 12px 16px; border-top: 1px solid #efe4da;\"><span style=\"flex: 0 0 110px;\"><code style=\"background: #ea580c; color: #fff; border-radius: 6px; padding: 3px 10px; font-family: Consolas,Menlo,'Courier New',monospace; font-weight: bold; font-size: .9em;\">WHERE<\/code><\/span><span style=\"flex: 1 1 260px;\">G\u00fcncellemenin hangi kay\u0131tlar\u0131 etkileyece\u011fini belirler.<\/span><\/div>\n<\/div>\n<figure style=\"margin: 1.5em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1418\" src=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-soz-dizimi.webp\" alt=\"SQL Update S\u00f6z Dizimi\" width=\"691\" height=\"236\" srcset=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-soz-dizimi.webp 1600w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-soz-dizimi-300x103.webp 300w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-soz-dizimi-1024x350.webp 1024w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-soz-dizimi-768x263.webp 768w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-soz-dizimi-1536x525.webp 1536w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-soz-dizimi-990x338.webp 990w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-soz-dizimi-1320x451.webp 1320w\" sizes=\"auto, (max-width: 691px) 100vw, 691px\" \/><\/figure>\n<p>Mesela <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">musteriler<\/code> tablosunda kimlik numaras\u0131 5 olan m\u00fc\u015fterinin \u015fehir bilgisini de\u011fi\u015ftirmek i\u00e7in a\u015fa\u011f\u0131daki sorgu kullan\u0131labilir:<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">SQL<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> musteriler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> sehir = <span style=\"color: #86efac;\">&#8216;Ankara&#8217;<\/span><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> id = <span style=\"color: #93c5fd;\">5<\/span>;<\/div>\n<\/div>\n<\/div>\n<p>Bu sorgu yaln\u0131zca <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">id<\/code> de\u011feri 5 olan kayd\u0131 hedefler.<\/p>\n<h3 id=\"where-ile-belirli-kaydi-guncelleme\"><span class=\"ez-toc-section\" id=\"WHERE_ile_Belirli_Bir_Kaydi_Guncelleme\"><\/span><span style=\"font-weight: 400;\">WHERE ile Belirli Bir Kayd\u0131 G\u00fcncelleme<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>WHERE, UPDATE komutunun en \u00f6nemli b\u00f6l\u00fcmlerinden biridir. G\u00fcncellenecek kay\u0131tlar\u0131n belirli ko\u015fullara g\u00f6re se\u00e7ilmesini sa\u011flar. \u00d6rnek olarak:<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">SQL<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> urunler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> fiyat = <span style=\"color: #93c5fd;\">750<\/span><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> id = <span style=\"color: #93c5fd;\">12<\/span>;<\/div>\n<\/div>\n<\/div>\n<p>Bu sorgu, \u00fcr\u00fcn kimli\u011fi 12 olan kayd\u0131n fiyat\u0131n\u0131 750 olarak de\u011fi\u015ftirir.<\/p>\n<figure style=\"margin: 1.5em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1419\" src=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-where-kullanimi.webp\" alt=\"SQL Update Where Kullan\u0131m\u0131\" width=\"773\" height=\"264\" srcset=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-where-kullanimi.webp 1600w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-where-kullanimi-300x103.webp 300w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-where-kullanimi-1024x350.webp 1024w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-where-kullanimi-768x263.webp 768w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-where-kullanimi-1536x525.webp 1536w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-where-kullanimi-990x338.webp 990w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-where-kullanimi-1320x451.webp 1320w\" sizes=\"auto, (max-width: 773px) 100vw, 773px\" \/><\/figure>\n<div style=\"background: #fdeeec; border: 1px solid #f4c7c2; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #c0362c;\">\u00d6nemli<\/strong><\/p>\n<p style=\"margin: 0;\">UPDATE sorgusunda WHERE kullan\u0131lmazsa tablodaki b\u00fct\u00fcn sat\u0131rlar g\u00fcncellenir. Bu nedenle \u00f6zellikle ger\u00e7ek verilerin bulundu\u011fu sistemlerde ko\u015fulsuz UPDATE sorgular\u0131 dikkatle kullan\u0131lmal\u0131d\u0131r.<\/p>\n<\/div>\n<h3 id=\"birden-fazla-sutunu-guncelleme\"><span class=\"ez-toc-section\" id=\"Birden_Fazla_Sutunu_Guncelleme\"><\/span><span style=\"font-weight: 400;\">Birden Fazla S\u00fctunu G\u00fcncelleme<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>SQL UPDATE komutuyla ayn\u0131 kay\u0131ttaki birden fazla s\u00fctun tek sorguda g\u00fcncellenebilir. Bunun i\u00e7in SET b\u00f6l\u00fcm\u00fcnde s\u00fctunlar virg\u00fclle ayr\u0131l\u0131r.<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">SQL<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> musteriler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> ad = <span style=\"color: #86efac;\">&#8216;Ahmet&#8217;<\/span>,<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\">sehir = <span style=\"color: #86efac;\">&#8216;\u0130zmir&#8217;<\/span>,<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\">durum = <span style=\"color: #86efac;\">&#8216;aktif&#8217;<\/span><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> id = <span style=\"color: #93c5fd;\">8<\/span>;<\/div>\n<\/div>\n<\/div>\n<p>Bu \u00f6rnekte m\u00fc\u015fterinin ad\u0131, \u015fehir bilgisi ve hesap durumu ayn\u0131 i\u015flemde de\u011fi\u015ftirilir.<\/p>\n<h2 id=\"sql-update-ornekleri\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_Ornekleri\"><\/span><span style=\"font-weight: 400;\">SQL UPDATE \u00d6rnekleri<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>UPDATE komutunun kullan\u0131m\u0131n\u0131 anlamak i\u00e7in farkl\u0131 senaryolar \u00fczerinden \u00f6rnekler incelemek faydal\u0131d\u0131r.<\/p>\n<h3 id=\"tek-bir-kaydi-guncelleme\"><span class=\"ez-toc-section\" id=\"Tek_Bir_Kaydi_Guncelleme\"><\/span><span style=\"font-weight: 400;\">Tek Bir Kayd\u0131 G\u00fcncelleme<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Bir personelin maa\u015f bilgisinin de\u011fi\u015ftirilmesi gerekti\u011fini d\u00fc\u015f\u00fcnelim.<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">SQL<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> personeller<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> maas = <span style=\"color: #93c5fd;\">45000<\/span><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> id = <span style=\"color: #93c5fd;\">3<\/span>;<\/div>\n<\/div>\n<\/div>\n<p>Bu sorgu, <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">personeller<\/code> tablosunda <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">id<\/code> de\u011feri 3 olan kayd\u0131n maa\u015f bilgisini g\u00fcnceller.<\/p>\n<h3 id=\"birden-fazla-kaydi-guncelleme\"><span class=\"ez-toc-section\" id=\"Birden_Fazla_Kaydi_Guncelleme\"><\/span><span style=\"font-weight: 400;\">Birden Fazla Kayd\u0131 G\u00fcncelleme<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>UPDATE komutu, belirli bir ko\u015fulu kar\u015f\u0131layan birden fazla kayd\u0131 ayn\u0131 anda de\u011fi\u015ftirebilir. Aktif olmayan m\u00fc\u015fterilerin durumunu g\u00fcncellemek i\u00e7in:<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">SQL<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> musteriler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> durum = <span style=\"color: #86efac;\">&#8216;pasif&#8217;<\/span><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> son_giris_tarihi &lt; <span style=\"color: #86efac;\">&#8216;2025-01-01&#8217;<\/span>;<\/div>\n<\/div>\n<\/div>\n<p>Bu sorgu, son giri\u015f tarihi belirtilen tarihten \u00f6nce olan t\u00fcm m\u00fc\u015fterilerin durumunu pasif olarak de\u011fi\u015ftirir.<\/p>\n<div style=\"background: #fff6e8; border: 1px solid #f6d9ab; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #b45309;\">Toplu i\u015flemlerden \u00f6nce<\/strong><\/p>\n<p style=\"margin: 0;\">Ger\u00e7ek uygulamalarda bu t\u00fcr toplu i\u015flemlerden \u00f6nce hangi kay\u0131tlar\u0131n etkilenece\u011fi kontrol edilmelidir.<\/p>\n<\/div>\n<h3 id=\"matematiksel-islemle-guncelleme\"><span class=\"ez-toc-section\" id=\"Matematiksel_Islemle_Veri_Guncelleme\"><\/span><span style=\"font-weight: 400;\">Matematiksel \u0130\u015flemle Veri G\u00fcncelleme<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>UPDATE komutunda mevcut s\u00fctun de\u011ferleri \u00fczerinden matematiksel i\u015flemler yap\u0131labilir. T\u00fcm \u00fcr\u00fcnlerin fiyat\u0131n\u0131 %10 art\u0131rmak i\u00e7in:<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">SQL<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> urunler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> fiyat = fiyat <span style=\"color: #93c5fd;\">*<\/span> <span style=\"color: #93c5fd;\">1.10<\/span>;<\/div>\n<\/div>\n<\/div>\n<p>Bu sorgu, <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">urunler<\/code> tablosundaki b\u00fct\u00fcn \u00fcr\u00fcn fiyatlar\u0131n\u0131 %10 art\u0131r\u0131r. Yaln\u0131zca belirli bir kategorideki \u00fcr\u00fcnlerin fiyatlar\u0131n\u0131 g\u00fcncellemek i\u00e7in ise ko\u015ful eklenebilir:<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">SQL<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> urunler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> fiyat = fiyat <span style=\"color: #93c5fd;\">*<\/span> <span style=\"color: #93c5fd;\">1.10<\/span><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> kategori_id = <span style=\"color: #93c5fd;\">4<\/span>;<\/div>\n<\/div>\n<\/div>\n<p>Bu \u00f6rnekte yaln\u0131zca kategori kimli\u011fi 4 olan \u00fcr\u00fcnlerin fiyatlar\u0131 de\u011fi\u015ftirilir.<\/p>\n<h3 id=\"null-degerleri-guncelleme\"><span class=\"ez-toc-section\" id=\"NULL_Degerleri_Guncelleme\"><\/span><span style=\"font-weight: 400;\">NULL De\u011ferleri G\u00fcncelleme<\/span><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Veritaban\u0131nda baz\u0131 s\u00fctunlar <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">NULL<\/code> de\u011ferine sahip olabilir. NULL, ilgili alanda bir de\u011ferin bulunmad\u0131\u011f\u0131n\u0131 ifade eder. NULL de\u011ferlerini g\u00fcncellemek i\u00e7in <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">IS NULL<\/code> ko\u015fulu kullan\u0131labilir.<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">SQL<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> musteriler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> telefon = <span style=\"color: #86efac;\">&#8216;Belirtilmedi&#8217;<\/span><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> telefon <span style=\"color: #ffb27a; font-weight: bold;\">IS<\/span> <span style=\"color: #ffb27a; font-weight: bold;\">NULL<\/span>;<\/div>\n<\/div>\n<\/div>\n<p>Bu sorgu, telefon bilgisi NULL olan kay\u0131tlar\u0131 g\u00fcnceller.<\/p>\n<div style=\"background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Bilmekte fayda var!<\/strong><\/p>\n<p style=\"margin: 0;\">NULL kontrol\u00fcnde <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">= NULL<\/code> yerine <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">IS NULL<\/code> kullan\u0131lmas\u0131 gerekir.<\/p>\n<\/div>\n<h2 id=\"sql-update-join\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_ile_JOIN_Nasil_Kullanilir\"><\/span><span style=\"font-weight: 400;\">SQL UPDATE ile JOIN Nas\u0131l Kullan\u0131l\u0131r?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SQL UPDATE i\u015flemleri, ba\u015fka bir tablodaki bilgilerden yararlan\u0131larak da ger\u00e7ekle\u015ftirilebilir. Bu y\u00f6ntem \u00f6zellikle ili\u015fkili veritaban\u0131 tablolar\u0131nda kullan\u0131l\u0131r.<\/p>\n<p>Misal olarak <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">urunler<\/code> tablosundaki kategori bilgilerini, <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">kategoriler<\/code> tablosundaki verilere g\u00f6re g\u00fcncellemek isteyebiliriz. MySQL \u00fczerinde a\u015fa\u011f\u0131daki sorgu kullan\u0131labilir:<\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">MySQL<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> urunler <span style=\"color: #ffb27a; font-weight: bold;\">AS<\/span> u<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">INNER<\/span> <span style=\"color: #ffb27a; font-weight: bold;\">JOIN<\/span> kategoriler <span style=\"color: #ffb27a; font-weight: bold;\">AS<\/span> k<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">ON<\/span> u.kategori_id = k.id<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> u.indirim_orani = k.indirim_orani<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> k.aktif = <span style=\"color: #93c5fd;\">1<\/span>;<\/div>\n<\/div>\n<\/div>\n<p>Bu sorgu, aktif kategorilere ait \u00fcr\u00fcnlerin indirim oranlar\u0131n\u0131 ilgili kategorinin indirim oran\u0131yla g\u00fcnceller.<\/p>\n<div style=\"background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Veritaban\u0131na g\u00f6re de\u011fi\u015fir!<\/strong><\/p>\n<p style=\"margin: 0;\">JOIN ile UPDATE kullan\u0131m\u0131 veritaban\u0131 sistemlerine g\u00f6re farkl\u0131l\u0131k g\u00f6sterebilir. PostgreSQL \u00fczerinde benzer i\u015flemler i\u00e7in <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">UPDATE ... FROM<\/code> s\u00f6z dizimi kullan\u0131labilir.<\/p>\n<\/div>\n<div style=\"background: #fff6e8; border: 1px solid #f6d9ab; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #b45309;\">Dikkat!!<\/strong><\/p>\n<p style=\"margin: 0;\">Birle\u015ftirme ko\u015fullar\u0131n\u0131n do\u011fru kurulmas\u0131 \u00f6nemlidir. Yanl\u0131\u015f JOIN ko\u015fullar\u0131 beklenenden fazla kayd\u0131n g\u00fcncellenmesine neden olabilir.<\/p>\n<\/div>\n<h2 id=\"sql-update-ve-insert-farki\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_ve_INSERT_Arasindaki_Farklar\"><\/span><span style=\"font-weight: 400;\">SQL UPDATE ve INSERT Aras\u0131ndaki Farklar<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SQL UPDATE ve INSERT komutlar\u0131 veritaban\u0131nda farkl\u0131 ama\u00e7larla kullan\u0131l\u0131r. INSERT yeni bir kay\u0131t eklemek i\u00e7in kullan\u0131l\u0131rken UPDATE mevcut kay\u0131tlar\u0131 de\u011fi\u015ftirmek i\u00e7in kullan\u0131l\u0131r.<\/p>\n<figure style=\"margin: 1.5em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1416\" src=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-insert-delete-farki.webp\" alt=\"SQL Update Insert ve Delete Fark\u0131\" width=\"781\" height=\"267\" srcset=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-insert-delete-farki.webp 1600w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-insert-delete-farki-300x103.webp 300w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-insert-delete-farki-1024x350.webp 1024w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-insert-delete-farki-768x263.webp 768w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-insert-delete-farki-1536x525.webp 1536w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-insert-delete-farki-990x338.webp 990w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-insert-delete-farki-1320x451.webp 1320w\" sizes=\"auto, (max-width: 781px) 100vw, 781px\" \/><\/figure>\n<div style=\"overflow-x: auto; margin: 1.2em 0 1.4em; border: 1px solid #efe4da; border-radius: 12px;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 560px; margin: 0;\">\n<thead>\n<tr>\n<th style=\"padding: 12px 16px; text-align: left; background: #ea580c; color: #fff; font-weight: bold;\">\u00d6zellik<\/th>\n<th style=\"padding: 12px 16px; text-align: left; background: #ea580c; color: #fff; font-weight: bold;\">UPDATE<\/th>\n<th style=\"padding: 12px 16px; text-align: left; background: #ea580c; color: #fff; font-weight: bold;\">INSERT<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da; font-weight: 600;\">Temel ama\u00e7<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da;\">Mevcut verileri g\u00fcncellemek<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da;\">Yeni kay\u0131t eklemek<\/td>\n<\/tr>\n<tr style=\"background: #fffaf6;\">\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da; font-weight: 600;\">Yeni sat\u0131r olu\u015fturma<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da;\">Hay\u0131r<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da;\">Evet<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da; font-weight: 600;\">WHERE kullan\u0131m\u0131<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da;\">G\u00fcncellenecek kay\u0131tlar\u0131 se\u00e7mek i\u00e7in<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top; border-bottom: 1px solid #efe4da;\">Temel INSERT s\u00f6z diziminde kullan\u0131lmaz<\/td>\n<\/tr>\n<tr style=\"background: #fffaf6;\">\n<td style=\"padding: 12px 16px; vertical-align: top; font-weight: 600;\">Kullan\u0131m \u00f6rne\u011fi<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top;\">\u00dcr\u00fcn fiyat\u0131n\u0131 de\u011fi\u015ftirmek<\/td>\n<td style=\"padding: 12px 16px; vertical-align: top;\">Yeni \u00fcr\u00fcn eklemek<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 1.2em 0 1.4em;\">\n<div style=\"flex: 1 1 300px; min-width: 0; background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 14px; padding: 16px 18px;\">\n<p><strong style=\"display: block; color: #ea580c; margin-bottom: 4px;\">Yeni bir m\u00fc\u015fteri eklemek i\u00e7in<\/strong><\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">INSERT<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">INSERT<\/span> <span style=\"color: #ffb27a; font-weight: bold;\">INTO<\/span> musteriler (ad, sehir)<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">VALUES<\/span> (<span style=\"color: #86efac;\">&#8216;Ay\u015fe&#8217;<\/span>, <span style=\"color: #86efac;\">&#8216;Bursa&#8217;<\/span>);<\/div>\n<\/div>\n<\/div>\n<p style=\"margin: 0;\">Tabloya yeni bir sat\u0131r eklenir.<\/p>\n<\/div>\n<div style=\"flex: 1 1 300px; min-width: 0; background: #e9f7f1; border: 1px solid #bfe6d6; border-radius: 14px; padding: 16px 18px;\">\n<p><strong style=\"display: block; color: #0f8a5f; margin-bottom: 4px;\">Mevcut m\u00fc\u015fterinin \u015fehrini de\u011fi\u015ftirmek i\u00e7in<\/strong><\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">UPDATE<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> musteriler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> sehir = <span style=\"color: #86efac;\">&#8216;Antalya&#8217;<\/span><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> id = <span style=\"color: #93c5fd;\">10<\/span>;<\/div>\n<\/div>\n<\/div>\n<p style=\"margin: 0;\">Var olan kay\u0131t g\u00fcncellenir.<\/p>\n<\/div>\n<\/div>\n<p>Her iki komut da veri y\u00f6netiminde kullan\u0131l\u0131r ancak ger\u00e7ekle\u015ftirdikleri i\u015flemler farkl\u0131d\u0131r.<\/p>\n<h2 id=\"sql-update-ve-delete-farki\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_ve_DELETE_Arasindaki_Farklar\"><\/span><span style=\"font-weight: 400;\">SQL UPDATE ve DELETE Aras\u0131ndaki Farklar<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>UPDATE, mevcut kay\u0131tlar\u0131n belirli s\u00fctunlar\u0131n\u0131 de\u011fi\u015ftirirken DELETE, ko\u015fulu kar\u015f\u0131layan sat\u0131rlar\u0131 tablodan kald\u0131r\u0131r.<\/p>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 1.2em 0 1.4em;\">\n<div style=\"flex: 1 1 300px; min-width: 0; background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 14px; padding: 16px 18px;\">\n<p><strong style=\"display: block; color: #ea580c; margin-bottom: 4px;\">M\u00fc\u015fterinin durumunu pasif yapmak i\u00e7in<\/strong><\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">UPDATE<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> musteriler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> durum = <span style=\"color: #86efac;\">&#8216;pasif&#8217;<\/span><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> id = <span style=\"color: #93c5fd;\">15<\/span>;<\/div>\n<\/div>\n<\/div>\n<p style=\"margin: 0;\">M\u00fc\u015fteri kayd\u0131 korunur, yaln\u0131zca durum bilgisi de\u011fi\u015fir.<\/p>\n<\/div>\n<div style=\"flex: 1 1 300px; min-width: 0; background: #fdeeec; border: 1px solid #f4c7c2; border-radius: 14px; padding: 16px 18px;\">\n<p><strong style=\"display: block; color: #c0362c; margin-bottom: 4px;\">Ayn\u0131 m\u00fc\u015fterinin kayd\u0131n\u0131 silmek i\u00e7in<\/strong><\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">DELETE<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">DELETE<\/span> <span style=\"color: #ffb27a; font-weight: bold;\">FROM<\/span> musteriler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> id = <span style=\"color: #93c5fd;\">15<\/span>;<\/div>\n<\/div>\n<\/div>\n<p style=\"margin: 0;\">\u0130lgili sat\u0131r tablodan silinir.<\/p>\n<\/div>\n<\/div>\n<div style=\"background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #ea580c;\">Hangisini se\u00e7meli?<\/strong><\/p>\n<p style=\"margin: 0;\">Kay\u0131tlar\u0131n ge\u00e7mi\u015fteki bilgilerinin korunmas\u0131 gereken sistemlerde do\u011frudan silme i\u015flemi yerine durum alan\u0131n\u0131n g\u00fcncellenmesi tercih edilebilir.<\/p>\n<\/div>\n<h2 id=\"sql-update-dikkat-edilmesi-gerekenler\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_Kullanirken_Dikkat_Edilmesi_Gerekenler\"><\/span><span style=\"font-weight: 400;\">SQL UPDATE Kullan\u0131rken Dikkat Edilmesi Gerekenler<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>UPDATE komutu yanl\u0131\u015f kullan\u0131ld\u0131\u011f\u0131nda \u00e7ok say\u0131da kayd\u0131n istemeden de\u011fi\u015ftirilmesine neden olabilir. Bu nedenle \u00f6zellikle canl\u0131 veritabanlar\u0131nda g\u00fcncelleme i\u015flemleri dikkatle ger\u00e7ekle\u015ftirilmelidir.<\/p>\n<div style=\"margin: 1em 0 1.4em;\">\n<div style=\"display: flex; gap: 14px; align-items: flex-start; margin: 0 0 14px;\">\n<ul>\n<li><strong>WHERE ko\u015fulunu kontrol edin: <\/strong>G\u00fcncellenmesi gereken kay\u0131tlar\u0131 do\u011fru belirledi\u011finizden emin olun. Gerekti\u011finde birincil anahtar kullanarak hedef kayd\u0131 se\u00e7in.<\/li>\n<\/ul>\n<\/div>\n<div style=\"display: flex; gap: 14px; align-items: flex-start; margin: 0 0 14px;\">\n<ul>\n<li><strong>\u00d6nce SELECT sorgusu \u00e7al\u0131\u015ft\u0131r\u0131n: <\/strong>G\u00fcncellemeden \u00f6nce ayn\u0131 ko\u015fulla kay\u0131tlar\u0131 listelemek, etkilenecek verileri g\u00f6rmenizi sa\u011flar.<\/li>\n<\/ul>\n<\/div>\n<div style=\"display: flex; gap: 14px; align-items: flex-start; margin: 0 0 14px;\">\n<ul>\n<li><strong>\u00d6nemli i\u015flemlerden \u00f6nce yedek al\u0131n: <\/strong>Toplu veri g\u00fcncellemelerinde geri y\u00fcklenebilir bir yede\u011fin bulunmas\u0131, olas\u0131 hatalar\u0131n etkisini azaltabilir.<\/li>\n<\/ul>\n<\/div>\n<div style=\"display: flex; gap: 14px; align-items: flex-start; margin: 0 0 14px;\">\n<ul>\n<li><strong>Etkilenen kay\u0131t say\u0131s\u0131n\u0131 kontrol edin: <\/strong>UPDATE sorgusu \u00e7al\u0131\u015ft\u0131r\u0131ld\u0131ktan sonra beklenen say\u0131da kayd\u0131n etkilendi\u011fini do\u011frulay\u0131n. Veritaban\u0131 sistemine g\u00f6re bildirilen sat\u0131r say\u0131s\u0131n\u0131n anlam\u0131 farkl\u0131l\u0131k g\u00f6sterebilir.<\/li>\n<\/ul>\n<\/div>\n<div style=\"display: flex; gap: 14px; align-items: flex-start; margin: 0 0 14px;\">\n<ul>\n<li><strong>B\u00fcy\u00fck g\u00fcncellemeleri planlay\u0131n: <\/strong>\u00c7ok say\u0131da sat\u0131r\u0131 etkileyen i\u015flemler veritaban\u0131nda kilitlenmelere, y\u00fcksek kaynak kullan\u0131m\u0131na veya performans sorunlar\u0131na neden olabilir.<\/li>\n<\/ul>\n<\/div>\n<\/div>\n<p>\u00d6zellikle yo\u011fun kullan\u0131lan <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/www.verigom.com\/kurumsal-hosting\/\"><strong>kurumsal hosting<\/strong><\/a><\/span> ortamlar\u0131nda, uygulaman\u0131n veritaban\u0131 i\u015flemlerini ve g\u00fcncelleme sorgular\u0131n\u0131n etkisini \u00f6nceden de\u011ferlendirmek \u00f6nemlidir.<\/p>\n<h2 id=\"sql-update-geri-alma\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_Islemi_Nasil_Geri_Alinir\"><\/span><span style=\"font-weight: 400;\">SQL UPDATE \u0130\u015flemi Nas\u0131l Geri Al\u0131n\u0131r?<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>SQL UPDATE i\u015flemlerinin geri al\u0131nabilmesi, kullan\u0131lan veritaban\u0131 sistemine ve i\u015flemin nas\u0131l ger\u00e7ekle\u015ftirildi\u011fine ba\u011fl\u0131d\u0131r. Transaction deste\u011fi bulunan veritabanlar\u0131nda, hen\u00fcz tamamlanmam\u0131\u015f bir i\u015flem <code style=\"background: #fffaf6; border: 1px solid #efe4da; border-radius: 5px; padding: 1px 6px; font-size: .9em; font-family: Consolas,Menlo,'Courier New',monospace;\">ROLLBACK<\/code> komutuyla geri al\u0131nabilir.<\/p>\n<figure style=\"margin: 1.5em 0;\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1415\" src=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-geri-alma-rollback.webp\" alt=\"SQL Update Geri Alma\" width=\"745\" height=\"248\" srcset=\"https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-geri-alma-rollback.webp 1600w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-geri-alma-rollback-300x100.webp 300w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-geri-alma-rollback-1024x341.webp 1024w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-geri-alma-rollback-768x256.webp 768w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-geri-alma-rollback-1536x512.webp 1536w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-geri-alma-rollback-990x330.webp 990w, https:\/\/www.verigom.com\/blog\/wp-content\/uploads\/2026\/11\/sql-update-geri-alma-rollback-1320x440.webp 1320w\" sizes=\"auto, (max-width: 745px) 100vw, 745px\" \/><\/figure>\n<div style=\"display: flex; flex-wrap: wrap; gap: 14px; margin: 1.2em 0 1.4em;\">\n<div style=\"flex: 1 1 300px; min-width: 0; background: #fff3ea; border: 1px solid #fbd5b8; border-radius: 14px; padding: 16px 18px;\">\n<p><strong style=\"display: block; color: #ea580c; margin-bottom: 4px;\">Geri almak i\u00e7in ROLLBACK<\/strong><\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">MySQL<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">START<\/span> <span style=\"color: #ffb27a; font-weight: bold;\">TRANSACTION<\/span>;<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> urunler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> fiyat = <span style=\"color: #93c5fd;\">500<\/span><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> id = <span style=\"color: #93c5fd;\">7<\/span>;<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">ROLLBACK<\/span>;<\/div>\n<\/div>\n<\/div>\n<p style=\"margin: 0;\">\u0130\u015flem hen\u00fcz onaylanmad\u0131\u011f\u0131 i\u00e7in g\u00fcncelleme geri al\u0131n\u0131r.<\/p>\n<\/div>\n<div style=\"flex: 1 1 300px; min-width: 0; background: #e9f7f1; border: 1px solid #bfe6d6; border-radius: 14px; padding: 16px 18px;\">\n<p><strong style=\"display: block; color: #0f8a5f; margin-bottom: 4px;\">Onaylamak i\u00e7in COMMIT<\/strong><\/p>\n<div style=\"background: #1c2026; border-radius: 12px; margin: .8em 0 1.3em; overflow: hidden;\">\n<div style=\"background: #2a2f37; color: #ffb27a; font-size: .78em; font-weight: bold; letter-spacing: .04em; padding: 8px 16px;\">MySQL<\/div>\n<div style=\"padding: 14px 16px; overflow-x: auto; color: #e5e7eb; font-family: Consolas,Menlo,'Courier New',monospace; font-size: .92em; line-height: 1.6;\">\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">START<\/span> <span style=\"color: #ffb27a; font-weight: bold;\">TRANSACTION<\/span>;<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">UPDATE<\/span> urunler<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">SET<\/span> fiyat = <span style=\"color: #93c5fd;\">500<\/span><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">WHERE<\/span> id = <span style=\"color: #93c5fd;\">7<\/span>;<\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><\/div>\n<div style=\"white-space: pre; min-height: 1.6em;\"><span style=\"color: #ffb27a; font-weight: bold;\">COMMIT<\/span>;<\/div>\n<\/div>\n<\/div>\n<p style=\"margin: 0;\">De\u011fi\u015fiklikler kal\u0131c\u0131 olarak onaylan\u0131r.<\/p>\n<\/div>\n<\/div>\n<p>Bu \u00f6rnek MySQL&#8217;de transaction destekleyen bir tablo motoru kullan\u0131ld\u0131\u011f\u0131nda ge\u00e7erlidir.<\/p>\n<div style=\"background: #fdeeec; border: 1px solid #f4c7c2; border-radius: 12px; padding: 16px 20px; margin: 1.3em 0;\">\n<p><strong style=\"display: block; margin-bottom: 4px; color: #c0362c;\">Dikkat<\/strong><\/p>\n<p style=\"margin: 0;\">\u0130\u015flem onayland\u0131ktan sonra ROLLBACK komutu ge\u00e7mi\u015fte tamamlanm\u0131\u015f g\u00fcncellemeyi otomatik olarak geri almaz. B\u00f6yle durumlarda yedeklerden geri y\u00fckleme veya uygun kurtarma y\u00f6ntemleri gerekebilir.<\/p>\n<\/div>\n<\/article>\n<h2 id=\"sql-update-geri-alma\"><span class=\"ez-toc-section\" id=\"Sik_Sorulan_Sorular\"><\/span><span style=\"font-weight: 400;\">S\u0131k Sorulan Sorular<\/span><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<style>#sp-ea-1420 .spcollapsing { height: 0; overflow: hidden; transition-property: height;transition-duration: 300ms;}#sp-ea-1420.sp-easy-accordion>.sp-ea-single {margin-bottom: 10px; border: 1px solid #e2e2e2; }#sp-ea-1420.sp-easy-accordion>.sp-ea-single>.ea-header a {color: #444;}#sp-ea-1420.sp-easy-accordion>.sp-ea-single>.sp-collapse>.ea-body {background: #fff; color: #444;}#sp-ea-1420.sp-easy-accordion>.sp-ea-single {background: #eee;}#sp-ea-1420.sp-easy-accordion>.sp-ea-single>.ea-header a .ea-expand-icon { float: left; color: #444;font-size: 16px;}<\/style><div id=\"sp_easy_accordion-1794575469\"><div id=\"sp-ea-1420\" class=\"sp-ea-one sp-easy-accordion\" data-ea-active=\"ea-click\" data-ea-mode=\"vertical\" data-preloader=\"\" data-scroll-active-item=\"\" data-offset-to-scroll=\"0\"><div class=\"ea-card ea-expand sp-ea-single\"><h3 class=\"ea-header\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_komutu_ne_ise_yarar\"><\/span><a class=\"collapsed\" id=\"ea-header-14200\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse14200\" aria-controls=\"collapse14200\" href=\"#\" aria-expanded=\"true\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-minus\"><\/i> SQL UPDATE komutu ne i\u015fe yarar?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3><div class=\"sp-collapse spcollapse collapsed show\" id=\"collapse14200\" data-parent=\"#sp-ea-1420\" role=\"region\" aria-labelledby=\"ea-header-14200\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">SQL UPDATE komutu, veritaban\u0131 tablolar\u0131ndaki mevcut kay\u0131tlar\u0131 de\u011fi\u015ftirmek i\u00e7in kullan\u0131l\u0131r. Tek bir s\u00fctunu, birden fazla s\u00fctunu veya belirli ko\u015fullar\u0131 kar\u015f\u0131layan kay\u0131tlar\u0131 g\u00fcncelleyebilir.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_WHERE_olmadan_kullanilir_mi\"><\/span><a class=\"collapsed\" id=\"ea-header-14201\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse14201\" aria-controls=\"collapse14201\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> SQL UPDATE WHERE olmadan kullan\u0131l\u0131r m\u0131?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse14201\" data-parent=\"#sp-ea-1420\" role=\"region\" aria-labelledby=\"ea-header-14201\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">Evet. UPDATE komutu WHERE ko\u015fulu olmadan kullan\u0131labilir. Ancak bu durumda tablodaki b\u00fct\u00fcn sat\u0131rlar g\u00fcncellenir. Bu nedenle yaln\u0131zca t\u00fcm kay\u0131tlar\u0131n de\u011fi\u015ftirilmesi istendi\u011finde ko\u015fulsuz UPDATE kullan\u0131lmal\u0131d\u0131r.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_birden_fazla_satiri_gunceller_mi\"><\/span><a class=\"collapsed\" id=\"ea-header-14202\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse14202\" aria-controls=\"collapse14202\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> SQL UPDATE birden fazla sat\u0131r\u0131 g\u00fcnceller mi?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse14202\" data-parent=\"#sp-ea-1420\" role=\"region\" aria-labelledby=\"ea-header-14202\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">WHERE ko\u015fulunu kar\u015f\u0131layan birden fazla sat\u0131r ayn\u0131 UPDATE sorgusu ile g\u00fcncellenebilir. Mesela belirli kategorideki b\u00fct\u00fcn \u00fcr\u00fcnlerin fiyatlar\u0131 tek i\u015flemde de\u011fi\u015ftirilebilir.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_ile_birden_fazla_sutun_degistirilebilir_mi\"><\/span><a class=\"collapsed\" id=\"ea-header-14203\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse14203\" aria-controls=\"collapse14203\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> SQL UPDATE ile birden fazla s\u00fctun de\u011fi\u015ftirilebilir mi?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse14203\" data-parent=\"#sp-ea-1420\" role=\"region\" aria-labelledby=\"ea-header-14203\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">SET b\u00f6l\u00fcm\u00fcnde s\u00fctunlar virg\u00fclle ayr\u0131larak birden fazla alan ayn\u0131 sorguda g\u00fcncellenebilir. Bu i\u015flem s\u0131ras\u0131nda WHERE ko\u015fuluyla hedef kay\u0131tlar belirlenebilir.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_islemi_geri_alinabilir_mi\"><\/span><a class=\"collapsed\" id=\"ea-header-14204\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse14204\" aria-controls=\"collapse14204\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> SQL UPDATE i\u015flemi geri al\u0131nabilir mi?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse14204\" data-parent=\"#sp-ea-1420\" role=\"region\" aria-labelledby=\"ea-header-14204\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">UPDATE i\u015flemi, uygun transaction deste\u011fi bulunan sistemlerde i\u015flem onaylanmadan \u00f6nce ROLLBACK komutuyla geri al\u0131nabilir. Onaylanm\u0131\u015f i\u015flemlerin geri al\u0131nmas\u0131 i\u00e7in ise yedekleme veya farkl\u0131 kurtarma y\u00f6ntemleri gerekebilir.<\/span><\/p><\/div><\/div><\/div><div class=\"ea-card sp-ea-single\"><h3 class=\"ea-header\"><span class=\"ez-toc-section\" id=\"SQL_UPDATE_ve_ALTER_arasindaki_fark_nedir\"><\/span><a class=\"collapsed\" id=\"ea-header-14205\" role=\"button\" data-sptoggle=\"spcollapse\" data-sptarget=\"#collapse14205\" aria-controls=\"collapse14205\" href=\"#\" aria-expanded=\"false\" tabindex=\"0\"><i aria-hidden=\"true\" role=\"presentation\" class=\"ea-expand-icon eap-icon-ea-expand-plus\"><\/i> SQL UPDATE ve ALTER aras\u0131ndaki fark nedir?<\/a><span class=\"ez-toc-section-end\"><\/span><\/h3><div class=\"sp-collapse spcollapse \" id=\"collapse14205\" data-parent=\"#sp-ea-1420\" role=\"region\" aria-labelledby=\"ea-header-14205\"> <div class=\"ea-body\"><p><span style=\"font-weight: 400\">UPDATE, tablodaki mevcut verileri de\u011fi\u015ftirir. ALTER TABLE ise tablonun yap\u0131s\u0131n\u0131 de\u011fi\u015ftirmek i\u00e7in kullan\u0131l\u0131r. \u00d6rnek olarak bir m\u00fc\u015fterinin adresini de\u011fi\u015ftirmek UPDATE, tabloya yeni s\u00fctun eklemek ise ALTER TABLE i\u015flemidir.<\/span><\/p><\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>SQL UPDATE, veritaban\u0131ndaki mevcut kay\u0131tlar\u0131n de\u011fi\u015ftirilmesini sa\u011flayan bir SQL komutudur. Bir tablodaki tek bir kayd\u0131, birden fazla kayd\u0131 veya belirli s\u00fctunlardaki de\u011ferleri g\u00fcncellemek i\u00e7in kullan\u0131l\u0131r. UPDATE komutu, \u00f6zellikle kullan\u0131c\u0131 bilgileri, \u00fcr\u00fcn fiyatlar\u0131, stok miktarlar\u0131 ve sipari\u015f durumlar\u0131 gibi de\u011fi\u015fken verilerin y\u00f6netiminde \u00f6nemli bir yere sahiptir. SQL UPDATE i\u015flemlerinde SET ifadesi yeni de\u011feri belirlerken WHERE ko\u015fulu [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":1417,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,9],"tags":[408,409,410,412,411],"class_list":["post-1414","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-nasil-yapilir","category-teknoloji","tag-sql-update","tag-sql-update-komutu","tag-sql-update-ornekleri","tag-sql-veri-guncelleme","tag-sql-where"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SQL UPDATE Nedir? Nas\u0131l Kullan\u0131l\u0131r? \u00d6rnekleri<\/title>\n<meta name=\"description\" content=\"SQL UPDATE nedir, ne i\u015fe yarar? 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