蛙蛙推薦:怎樣擷取一個表中所有欄位的資訊

來源:互聯網
上載者:User

先建立一個視圖

Create view fielddesc   
as
select o.name as table_name,c.name as field_name,t.name as type,c.length as

length,c.isnullable as isnullable,convert(varchar(30),p.value) as desp
from syscolumns c 
join systypes t on c.xtype = t.xusertype
join sysobjects o on o.id=c.id
left join    sysproperties p on p.smallid=c.colid and p.id=o.id   
where o.xtype='U'

查詢時:
Select * from fielddesc where table_name = '你的表名'

還有個更強的語句,是鄒建寫的,也寫出來吧

SELECT
 (case when a.colorder=1 then d.name else '' end) N'表名',
 a.colorder N'欄位序號',
 a.name N'欄位名',
 (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'佔用位元組數',
 COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'長度',
 isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'小數位元',
 (case when a.isnullable=1 then '√'else '' end) N'允許空',
 isnull(e.text,'') N'預設值',
 isnull(g.[value],'') AS N'欄位說明'
--into ##tx

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


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