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MySQLでデータを一括削除してidを1から振りなおす

Posted at

やる事

データベースのテーブル内の情報を有無を言わさず全削除。そしてidを1から振り直します。
外部キー制約付いてると一括削除できません。

//一括削除
truncate table テーブル名;
//idを1から振りなおす
ALTER TABLE テーブル名 AUTO_INCREMENT =1;

ていう感じです。

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