匯出資料庫中的所有表的結構

使用下面的儲存過程： 

如果輸入表名則取出此表，如果不輸入表名則選出全表結構，有問題請繼續問我。 
--此儲存過程可以取出所輸入表的字段資訊，如果表名為空則列出當前資料庫中的所有表的資訊， 
--如果@withview引數不為0則列出檢視的字段資訊，為0則不列檢視資訊 
create
procedure
[dbo
].[table_info
](@tablename
varchar(50),@withview
bit=
0) 
asbegin
ifnot
exists (select
*from dbo.sysobjects 
where id =
object_id(n'
[dbo].[datadict]
') and
objectproperty(id, n'
isusertable
')=1)
begin
if@tablename
isnull
begin
if@withview
=0
begin
select
case o.type when'v 
'then
'檢視: 
'+ o.name else
'表: 
'+ o.name end
as 表名,
c.name as 列名, t.name as 型別, c.length as 長度, c.prec as 精度, 
c.scale as 小數字數, 
case c.isnullable when
0then
'yes 
'else
'no 
'end
as 可否為空
from sys.syscolumns as c inner
join
sys.systypes as t on c.xusertype = t.xusertype inner
join
sys.sysobjects as o on c.id = o.id
where (o.type ='u 
') and (o.name not
in ('
sysconstraints 
', '
syssegments 
'))      order
by o.type, o.name, 列名 
endelse
begin
select 表名=
case o.type when'v 
'then
'檢視: 
'+ o.name else
'表: 
'+ o.name end 
,c.name as 列名,t.name as 型別,c.length as 長度,c.prec   精度,c.scale as   小數字數 , 
可否為空=
case c.isnullable 
when
0
then
'yes 
'else
'no 
'end
from syscolumns c,sysobjects o ,systypes t 
where t.xusertype=c.xusertype and 
o.id=c.id and (o.type='u 
'or o.type='v 
')         and o.name not
in ( '
sysconstraints 
', '
syssegments 
')       order
by o.type,o.name,c.name 
endendelse
begin
select c.name as 列名, t.name as 型別, c.length as 長度, c.prec as 精度, 
c.scale as 小數字數, 
case c.isnullable when
0then
'yes 
'else
'no 
'end
as 可否為空
from sys.syscolumns as c inner
join
sys.systypes as t on c.xusertype = t.xusertype inner
join
sys.sysobjects as o on c.id = o.id
where (o.name =
@tablename)
order
by o.type, o.name, 列名
endend
else
begin
ifnot
@tablename
isnull
begin
select
@tablename
as 表名, a.name as 列名,c.explain as 說明, b.name as 資料型別, 
a.length as 長度,a.xprec as 精度,a.xscale as 小數字數 
from syscolumns a join systypes as b on b.xtype=a.xtype right
join datadict as c on c.fields=a.name 
where id =
object_id(@tablename)   
and c.tablename=
@tablename
order
by a.name 
endelse
begin
select 表名=
case o.type when'v 
'then
'檢視: 
'+ o.name else
'表: 
'+ o.name end 
, a.name as 列名,c.explain as 說明, b.name as 資料型別, 
a.length as 長度,a.xprec as 精度,a.xscale as 小數字數 
from syscolumns a join systypes as b on b.xusertype=a.xusertype right
join datadict as c on c.fields=a.name right
join sysobjects as o on c.tablename=o.name  
where a.id = o.id 
and (o.type='u 
'or o.type='v 
')     and o.name not
in ( '
sysconstraints 
', '
syssegments 
')     order
by o.type, o.name,a.name 
endendend

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