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SQL 表結構查詢

SELECT TOP 100 PERCENT --a.id, 
      CASE WHEN a.colorder = 1 THEN d.name ELSE '' END AS 表名, 
      --CASE WHEN a.colorder = 1 THEN isnull(f.value, '') ELSE '' END AS 表說明, 
      a.colorder AS 欄位序號, a.name AS 欄位名, CASE WHEN COLUMNPROPERTY(a.id, 
      a.name, 'IsIdentity') = 1 THEN '√' ELSE '' END AS 標識, 
      CASE WHEN EXISTS
          (SELECT 1
         FROM dbo.sysindexes si INNER JOIN
               dbo.sysindexkeys sik ON si.id = sik.id AND si.indid = sik.indid INNER JOIN
               dbo.syscolumns sc ON sc.id = sik.id AND sc.colid = sik.colid INNER JOIN
               dbo.sysobjects so ON so.name = si.name AND so.xtype = 'PK'
         WHERE sc.id = a.id AND sc.colid = a.colid) THEN '√' ELSE '' END AS 主鍵, 
      b.name AS 型別, a.length AS 長度, COLUMNPROPERTY(a.id, a.name, 'PRECISION') 
      AS 精度, ISNULL(COLUMNPROPERTY(a.id, a.name, 'Scale'), 0) AS 小數位數, 
      CASE WHEN a.isnullable = 1 THEN '√' ELSE '' END AS 允許空, ISNULL(e.text, '') 
      AS 預設值, 
      --ISNULL(g.[value], '') AS 欄位說明, d.crdate AS 建立時間, 
      CASE WHEN a.colorder = 1 THEN d.refdate ELSE NULL END AS 更改時間
FROM dbo.syscolumns a LEFT OUTER JOIN
      dbo.systypes b ON a.xtype = b.xusertype INNER JOIN
      dbo.sysobjects d ON a.id = d.id AND d.xtype = 'U' AND 
      d.status >= 0 LEFT OUTER JOIN
      dbo.syscomments e ON a.cdefault = e.id 
      --LEFT OUTER JOIN
      --dbo.sysproperties g ON a.id = g.id AND a.colid = g.smallid AND 
      --g.name = 'MS_Description' 
      --LEFT OUTER JOIN dbo.sysproperties f ON d.id = f.id AND f.smallid = 0 AND f.name = 'MS_Description'
where d.name = 'GCHQI'---查詢固定表,如果所有,去掉where條件
ORDER BY d.name, a.colorder