sqlserver 给所有的表添加主键oid

查询到所有表，然后替换 前后标记，生成添加主键语句

Select'-qian-' +Name+'-hou-' FROM SysObjects Where XType='U' and LEN(name)<10 orDER BY Name 

ALTER TABLE 表名 ADD oid int identity(1,1)  PRIMARY KEY;