獲取sql數據庫所有表結構

  SELECT
  (case when a.colorder=1 then d.name else '' end) N'表名',
  a.colorder N'字段序號',
  a.name N'字段名',
  (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) N'標識',
  (case when (SELECT count(*)
  FROM sysobjects
  WHERE (name in
   (SELECT name
   FROM sysindexes
   WHERE (id = a.id) AND (indid in
   (SELECT indid
   FROM sysindexkeys
   WHERE (id = a.id) AND (colid in
   (SELECT colid
   FROM syscolumns
   WHERE (id = a.id) AND (name = a.name))))))) AND
   (xtype = 'PK'))>0 then '√' else '' end) N'主鍵',
  b.name N'類型',
  a.length N'占用字節數',
  COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'長度',
  isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'小數位數',
  (case when a.isnullable=1 then '√'else '' end) N'允許空',
  isnull(e.text,'') N'默認值',
  isnull(g.[value],'') AS N'字段說明'
  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 object_name(a.id),a.colorder
  可以將以上代碼放到SQL查詢分析器上運行一下就知道了(當然要打開一個數據庫啦)