查询数据库中,表结构的详细信息

SELECT
 表名=case when a.colorder=1 then d.name else @#@# end,
 字段序号=a.colorder,
 字段名=a.name,
 标识=case when COLUMNPROPERTY( a.id,a.name,@#IsIdentity@#)=1 then @#√@#else @#@# end,
 主键=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,
 类型=b.name,
 占用字节数=a.length,
 长度=COLUMNPROPERTY(a.id,a.name,@#PRECISION@#),
 小数位数=isnull(COLUMNPROPERTY(a.id,a.name,@#Scale@#),0),
 允许空=case when a.isnullable=1 then @#√@#else @#@# end,
 默认值=isnull(e.text,@#@#),
 字段说明=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

原文转自：http://www.ltesting.net