sql server 跨数据库调用存储过程
A库存储过程：create PROCEDURE .
(
@UserName nvarchar(20) =null ,
@LoginPwd nvarchar(60)=null
)
AS
BEGIN
select N'A' AS a
, N'B' AS B
, N'C' AS C
;
END
同一台服务器实例，A，B两个数据库， 在B库的存储过程中，调用A库的存储过程
B库：
ALTER PROCEDURE .
(
@UserName nvarchar(20) =null ,
@LoginPwd nvarchar(60)=null
)
AS
BEGIN
declare @sql nvarchar(500);
set @sql = N' exec DB_A.dbo.spAAAForTest ';
execsp_executesql @sql
END
A，B两个数据库，不在同一台服务器实例， 在B库的存储过程中，调用A库的存储过程
B库：
ALTER PROCEDURE .
(
@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 ';
execsp_executesql @sql
END
--------------- 在跨服务器调用时，所使用OPENDATASOURCE 遭遇如下信息时
消息 15281，级别 16，状态 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' by using sp_configure.
For more information about enabling 'Ad Hoc Distributed Queries',
see "Surface Area Configuration" in SQL Server Books Online.
通过如下方式进行设置：
exec sp_configure 'show advanced options',1
reconfigure
exec sp_configure 'Ad Hoc Distributed Queries',1
reconfigure
---------------
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