超级有用的SQL语句(分析SQL SERVER 数据库表结构专用)

超级有用的SQL语句 （用于SQL SERVER 服务器）
超级有用的SQL语句 ，执行后返回的列分别是：表名、列名、列类型、列长度、列描述、是否主键，语句如下：
(分析SQL SERVER 数据库表结构专用)
Select Sysobjects.Name As 表名,
       Syscolumns.Name As 列名,
       Systypes.Name As 列类型,
       Syscolumns.Length As 列长度,
       Isnull(Sysproperties.Value, Syscolumns.Name) As 列说明,
       Case
         When Syscolumns.Name In
              (Select 主键 = A.Name
                 from Syscolumns A
                Inner Join Sysobjects B On A.Id = B.Id
                                       And B.Xtype = 'U'
                                       And B.Name <> 'Dtproperties'
                Where Exists (Select 1
                         from Sysobjects
                        Where Xtype = 'Pk'
              &