select case when c.colid=1 then object_name(c.id) else '' end as 表名 ,c.name as 字段名 ,t.name 数据类型 ,c.prec as 长度 ,p.value as 描述信息 ,m.text as 默认值 from syscolumns c inner join systypes t on c.xusertype=t.xusertype left join sysproperties p on c.id=p.id and c.colid = p.smallid left join syscomments m on c.cdefault=m.id where objectproperty(c.id,'isusertable')=1
