0
0

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?

MySQL - ユニーク制約のバイト数超過エラーの対策 : Specified key was too long; max key length is 3072 bytes

Posted at

原因

ユニーク制約をつけるカラムの合計長が一定を超えると、このエラーが出るみたいだ

対策

ユニーク制約に関わるカラムの長さを短くすれば良い模様

  • カラムA ( VARCHAR(255) -> VARCHAR(100) )
  • カラムB ( VARCHAR(255) -> VARCHAR(50) )

...

みたいな

チャットメンバー募集

何か質問、悩み事、相談などあればLINEオープンチャットもご利用ください。

プロフィール・経歴

0
0
0

Register as a new user and use Qiita more conveniently

  1. You get articles that match your needs
  2. You can efficiently read back useful information
  3. You can use dark theme
What you can do with signing up
0
0

Delete article

Deleted articles cannot be recovered.

Draft of this article would be also deleted.

Are you sure you want to delete this article?