sql Server 2012 生成數據字典

SELECT
　　表名=case when a.colorder=1 then d.name else '' end,
　　表說明=case when a.colorder=1 then isnull(f.value,'') else '' end,
　　字段序號=a.colorder,
　　字段名=a.name,
　　標識=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end,
　　主鍵=case when 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
　　　　))) then '√' else '' end,
　　類型=b.name,
　　佔用字節數=a.length,
　　長度=COLUMNPROPERTY(a.id,a.name,'PRECISION'),
　　小數位數=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
　　容許空=case when a.isnullable=1 then '√'else '' end,
　　默認值=isnull(e.text,''),
　　字段說明=isnull(g.[value],'')
FROM syscolumns a
　　left join systypes b on a.xtype=b.xusertype
　　inner join sysobjects d on a.id=d.id and d.xtype='U' and d.name
　　<>'dtproperties'
　　left join syscomments e on a.cdefault=e.id
　　left join sys.extended_properties g on a.id=g.major_id and a.colid=g.minor_id
　　left join sys.extended_properties f on d.id=f.major_id and f.minor_id =0
　　--where d.name='要查詢的表' --若是隻查詢指定表,加上此條件
　　order by a.id,a.colorder