怎樣獲取乙個表中所有欄位的資訊

2021-04-13 01:50:05 字數 1833 閱讀 8396

先建立乙個檢視

create view fielddesc   

asselect 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.**allid=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'字段序號',

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'型別',

a.length n'占用位元組數',

columnproperty(a.id,a.name,'precision') as n'長度',

isnull(columnproperty(a.id,a.name,'scale'),0) as n'小數字數',

(case when a.isnullable=1 then '√'else '' end) n'允許空',

isnull(e.text,'') n'預設值',

isnull(g.[value],'') as n'字段說明'

--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.**allid 

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

wan 

怎樣獲取乙個表中所有欄位的資訊

先建立乙個檢視 create view fielddesc asselect o.name as table name,c.name as field name,t.name as type,c.length as length,c.isnullable as isnullable,convert ...

怎樣獲取乙個表中所有欄位的資訊

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