查詢資料庫中,表結構的詳細資料

來源:互聯網
上載者:User
資料|資料庫 SELECT
 表名=case when a.colorder=1 then d.name else '' end,
 欄位序號=a.colorder,
 欄位名=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,
 佔用位元組數=a.length,
 長度=COLUMNPROPERTY(a.id,a.name,'PRECISION'),
 小數位元=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),
 允許空=case when a.isnullable=1 then '√'else '' end,
 預設值=isnull(e.text,''),
 欄位說明=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 sysproperties g on a.id=g.id and a.colid=g.smallid 
order by a.id,a.colorder


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