SQL Server跨資料庫呼叫儲存過程

a庫儲存過程：

create

procedure
[dbo]
.[spaaafortest]
(@username nvarchar(20)
=null
,@loginpwd nvarchar(60)
=null)as
begin
select n'a'
as a
, n'b'
as b
, n'c'
as c
;end

b庫：

alter

procedure
[dbo]
.[spaaafortest2]
(@username nvarchar(20)
=null
,@loginpwd nvarchar(60)
=null)as
begin
declare
@sql nvarchar(
500)
;set
@sql
= n' exec db_a.dbo.spaaafortest '
;exec sp_executesql @sql
end

b庫：

alter

procedure
[dbo]
.[spaaafortest2]
(@username nvarchar(20)
=null
,@loginpwd nvarchar(60)
=null)as
begin
declare
@sql nvarchar(
500)
;set
@sql
= n' exec opendatasource('
'sqloledb'
',''data source=server-123\mssql2008r2;user id=sa;password=sa'
').db_a.dbo.spaaafortest '
;exec sp_executesql @sql
end

訊息 15281，級別 16，狀態 1，第 1 行

sql server blocked access to statement 'openrowset/opendatasource'
of component 'ad hoc distributed queries'
because this component is turned off
as part of the security configuration for this server.
a system administrator can enable the use
of'ad hoc distributed queries'
byusing sp_configure.
for more information about enabling 'ad hoc distributed queries'
,see "su***ce area configuration"
insql server books online.

exec sp_configure 'show advanced options',1

reconfigure
exec sp_configure 'ad hoc distributed queries',1
reconfigure

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