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内容を追加するようなUPDATE文

Last updated at Posted at 2016-10-23

参考

方法

  • MySQL 4.0 でも動作することを確認。
先頭に付ける場合
UPDATE table1 SET column1 = concat('VIP-', column1) 
 WHERE column1 NOT LIKE 'VIP-%';
末尾に付ける場合
UPDATE table1 SET column1 = concat(column1, '-VIP') 
 WHERE column1 NOT LIKE '%-VIP';
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