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,
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Case When Syscolumns.Name In
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(Select 主键=A.Name
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From Syscolumns A
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Inner Join Sysobjects B On A.Id=B.Id And B.Xtype='U' And B.Name<>'Dtproperties'
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Where Exists(Select 1 From Sysobjects Where Xtype='Pk' And Name In (
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Select Name From Sysindexes Where Indid In(
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Select Indid From Sysindexkeys Where Id = A.Id And Colid=A.Colid
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)))
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And B.Name=Sysobjects.Name
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)
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Then 1 Else 0 End As Is_key
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From Sysobjects,Systypes,Syscolumns
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Left Join Sysproperties On (Syscolumns.Id = Sysproperties.Id And
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Syscolumns.Colid = Sysproperties.Smallid)
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Where (Sysobjects.Xtype ='U' Or Sysobjects.Xtype ='V')
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And Sysobjects.Id = Syscolumns.Id And Systypes.Xtype = Syscolumns.Xtype
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And Systypes.Name <> 'Sysname' And Sysobjects.Name Like '%' Order By Sysobjects.Name, Syscolumns.Colid