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@YumaInaura(稲浦 悠馬)

MySQL - テーブルの1カラムの照合順序を変更するクエリ例

Posted at

例

ALTER TABLE example_table MODIFY `column_name` VARCHAR(255) COLLATE utf8mb4_bin

注意

元のカラムにNULL制約などがついている場合は、改めて指定しなければいけない

ALTER TABLE example_table MODIFY `column_name` VARCHAR(255) COLLATE utf8mb4_bin DEFAULT NULL

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