请问3780 - Referencing column ‘XXX’ and referenced column ‘XXX’ in foreign key constraint ‘XXX’ are in
错误记录:3780 - Referencing column ‘XXX’ and referenced column ‘XXX’ in foreign key constraint ‘XXX’ are inco错误原因:①主键与外键字段数据类型不一致,例如主键
错误记录:3780 - Referencing column ‘XXX’ and referenced column ‘XXX’ in foreign key constraint ‘XXX’ are inco错误原因:①主键与外键字段数据类型不一致,例如主键
错误记录:Table 'xxx' already exists错误原因:数据表xxx已经存在解决方案:xxx表已经存在于库中,再次试图创建这个名字的表就会引发这个错误。
错误记录:1833 - Cannot change column ‘XXX’: used in a foreign key constraint ‘XXX’ of table ‘XXX.XXX’错误原因:由于外键关联问题,修改表结构时出现问题。解决方案