select
table_name,column_name
from
information_schema.key_column_usagewhere table_name
<>
'dtproperties'2
:exec
sp_pkeys
@table_name='
表名'3:
select
o.name
as表名,c.name
as欄位名,k.colid
as欄位序號,k.keyno
as索引順序,t.name
as型別
from
sysindexes i
join
sysindexkeys k
oni.id
=k.id
andi.indid
=k.indid
join sysobjects o
oni.id
=o.id
join syscolumns c
oni.id
=c.id
andk.colid
=c.colid
join systypes t
onc.xusertype
=t.xusertype
where o.xtype ='
u'ando.name='
要查詢的表名
' and
exists
(select
1from
sysobjects
where
xtype ='
pk'andparent_obj
=i.id
andname
=i.name)
order
byo.name,k.colid
獲取所有select表名=
case
when
a.colorder=1
then
d.name
else
''end
, 欄位名
=a.name, 標識=
case
when
columnproperty
(a.id,a.name,
'isidentity')
=1then'√
'else
''end
, 主鍵
=case
when
exists
(select
1from
sysobjects
where
xtype='
pk'andname
in(
select
name
from
sysindexes
where
indid
in(
select
indid
from
sysindexkeys
where
id =
a.id
andcolid
=a.colid
)))
then'√
'else
''end
, 型別
=b.name,
占用位元組數
=a.length, 長度=
columnproperty
(a.id,a.name,
'precision
'),
小數字數
=isnull
(columnproperty
(a.id,a.name,
'scale'),
0),
允許空=
case
when
a.isnullable=1
then'√
'else
''end
, 預設值
=isnull
(e.text
, ''
), 字段說明
=isnull
(g.[
value],
'')
from
syscolumns a
left
join
systypes b
ona.xtype
=b.xusertype
inner
join
sysobjects d
ona.id
=d.id
andd.xtype='
u'andd.name
<>
'dtproperties
'and
d.name ='
要查詢的表名
'left
join
syscomments e
ona.cdefault
=e.id
left
join
sys.extended_properties g
ona.id
=g.major_id
anda.colid
=g.minor_id
andg.name='
ms_description
'order
bya.id,a.colorder
獲取表自增列名稱whereselect
column_name
as標識
from
information_schema.columns
table_name='
表名'andcolumnproperty
(object_id('
表名'),column_name,
'isidentity')
=1
select標識 =
case
when
columnproperty
( a.id,a.name,
'isidentity')
=1then
a.name
else
'null
'end
from
syscolumns a
inner
join
sysobjects d
ona.id
=d.id
andd.xtype='
u'andd.name
<>
'dtproperties
'where
d.name='
testtype
'order
bya.id,a.colorder
獲取字段預設值select
b.text
as欄位預設值
from
syscolumns a
left
join
syscomments b
ona.cdefault
=b.id
where
a.id
=object_id('
表名') and
a.name ='
欄位名稱'
移植表： select * into 庫2.dbo.表2 from 庫1.dbo.表1
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