是否可以暂时禁用MySQL中的约束?cursor.execute("DELETE FROM myapp_item WHERE n = %s", n)
transaction.commit_unless_managedcursor.execute("DELETE FROM myapp_style WHERE n = %s&
我只想将UNIQUE Constraint从MySQL表列中删除,并将Foreign Key Constraint保留在该列上。work_id是外键。我使用的是MySQL Ver 15.1远端5.5.64-MariaDB.--------+---------------+ALTER TABLE requests DROP INDEX work_id;
错误1553 (HY000):无法删除外键约束中需要的索引