获取指定数据库表， 以及指定表的数据信息

----获取指定用户表的字段信息

SELECT

(case when a.colorder=1 then d.name else '' end) N'Table Name',

a.colorder N'Column SQ',

a.name N'Column Name',

(case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) N'Idnetity FG',

(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'PK',

b.name N'Type',

a.length N'Bit Length',

COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'Length',

isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'DataScale',

(case when a.isnullable=1 then '√'else '' end) N'Null',

isnull(e.text,'') N'Default'

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
where d.name= 'Down'    --如果只查询指定表,加上此条件

order by object_name(a.id),a.colorder

----获取指定数据库中用户表

SELECT name FROM sysobjects WHERE xtype = 'U'