SQLUPDATEDMLtutorial
What is UPDATE in SQL? Modifying rows for beginners
UPDATE is the SQL command for "change data in existing rows". Plain words: what to change, why WHERE is non-negotiable, how to update several columns at once. Before/after tables, beginner pitfalls, a quick recap, and three practice tasks at the end.
1 Min. LesezeitSQL · UPDATE · DML · tutorial
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UPDATEis the command for changing data in rows that already exist. Not inserting new ones, not deleting — modifying what's there.This article is currently in Russian. The full English translation is on the way.