sqlserver 删除表 外键

Truncate table Menu --truncate不能对有外键的表 
delete Menu
delete RoleMenu

SELECT * FROM sys.foreign_keys
WHERE referenced_object_id=OBJECT_ID('Menu'); --找到引用该表主键的名称


ALTER TABLE dbo.RoleMenu DROP constraint FK_Menu_MenuId   --删除外键

 

来源：https://www.cnblogs.com/enych/p/11926338.html