将SQL Server中所有表的列信息显示出来

Select Sysobjects.Name As Tb_name,
       Syscolumns.Name As Col_name,
       Systypes.Name As Col_type,
       Syscolumns.Length As Col_len,
       Isnull(Sysproperties.Value,Syscolumns.Name) As Col_memo,
       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'
                                                       And Name In (Select Name From Sysindexes
                                                                     Where Indid In( Select Indid From Sysindexkeys
                                                                                      Where Id = A.Id And Colid=A.Colid )
                                                                   )
                                                   )
                                         And B.Name=Sysobjects.Name
                                      )
            Then 1 Else 0 End As Is_key
  From Sysobjects, Systypes, Syscolumns
       Left Join Sysproperties On (Syscolumns.Id = Sysproperties.Id And Syscolumns.Colid = Sysproperties.Smallid)
 Where (Sysobjects.Xtype ='U' Or Sysobjects.Xtype ='V')
   And Sysobjects.Id = Syscolumns.Id And Systypes.Xtype = Syscolumns.Xtype
   And Systypes.Name <> 'Sysname' And Sysobjects.Name Like '%'
 Order By Sysobjects.Name, Syscolumns.Colid