分享SQL2005 查詢表結構的SQL語句

1

select
2 (case
when a.colorder=
1then d.name else
''end) as 表名,--
如果表名相同就返回空 syscolumns(表字段資訊表) a sysobjects d 
3 a.colorder as
字段序號, 
4 a.name as
欄位名, 
5 (case
when
columnproperty( a.id,a.name, '
isidentity
' )=
1then'√
'else
''end) as 標識, --
返回isidentity的值，isidentity只有兩個值：0、1
6 (case
when (select
count(*) from sysobjects--
查詢主鍵 
7where (name in
8 (select name from
sysindexes 
9where (id = a.id) and (indid in
10 (select indid from
sysindexkeys 
11where (id = a.id) and (colid in
12 (select colid from
syscolumns 
13where (id = a.id) and (name =
a.name)) 
14))))) 
15and (xtype ='pk
' ))>
0then'√
'else
''end) as 主鍵,--
查詢主鍵end 
16 b.name as 型別, --
systypes b 
17 a.length as
占用位元組數, 
18columnproperty(a.id,a.name,'
precision
' ) as
長度, 
19isnull(columnproperty(a.id,a.name,'
scale
' ),0) as
小數字數, 
20 (case
when a.isnullable=
1then'√
'else
''end) as
允許空, 
21isnull(e.text,'' ) as 預設值, --
syscomments e 
22isnull(g.[
value
],'' ) as 字段說明 --
sys.extended_properties g (字段資訊表)
23from syscolumns a left
join
systypes b 
24on a.xtype=
b.xusertype 
25inner
join
sysobjects d 
26on a.id=d.id and d.xtype='u
'and d.name<>
'dtproperties'27
left
join
syscomments e 
28on a.cdefault=
e.id 
29left
join
sys.extended_properties g 
30on a.id=g.major_id and a.colid =
g.minor_id 
31where d.name=
'systempara'--
所要查詢的表 
32order
by a.id,a.colorder

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