摘要:
约束 PRIMARY KEY(主键)约束 FOREIGN KEY(外键)约束 UNIQUE (唯一)约束 CHECK (核查)约束 =======================1、修改数据库名称use mastergoexecute sp_renamedb 'newDemo','Demo'go2、数据库文件组更名use mastergoalter database schoolmodify filegroup teachersname=teachergo3、查看文件组属性use schoolgoexe 阅读全文