sql server查詢字段詳細(xì)信息
作者:佚名
sql server數(shù)據(jù)庫(kù)中,應(yīng)該如何查詢字段的詳細(xì)信息呢?這是很多人都問(wèn)過(guò)的問(wèn)題,下文對(duì)該功能的實(shí)現(xiàn)方法作詳細(xì)的介紹,供您參考。
sql server查詢字段詳細(xì)信息是我們經(jīng)常需要的操作,下面就為您詳細(xì)介紹sql server查詢字段詳細(xì)信息的方法,希望對(duì)您能夠有所幫助。
- SELECT
- (case when a.colorder=1 then d.name else '' end) N'表名',
- a.colorder N'字段序號(hào)',
- a.name N'字段名',
- (case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√'else '' end) N'標(biāo)識(shí)',
- (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(lèi)型',
- a.length N'占用字節(jié)數(shù)',
- COLUMNPROPERTY(a.id,a.name,'PRECISION') as N'長(zhǎng)度',
- isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0) as N'小數(shù)位數(shù)',
- (case when a.isnullable=1 then '√'else '' end) N'允許空',
- isnull(e.text,'') N'默認(rèn)值',
- isnull(g.[value],'') AS N'字段說(shuō)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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