SQL Server 2012 中的 Service Broker功能的一些改进或增强

DECLARE @dialog_handle1 UNIQUEIDENTIFIER,
        @dialog_handle2 UNIQUEIDENTIFIER,
        @dialog_handle3 UNIQUEIDENTIFIER,
        @OrderMsg XML ;

SET @OrderMsg = < construct message as appropriate for the application > ;

BEGIN DIALOG @dialog_handle1
FROM SERVICE [//InitiatorDB/InitiatorService]
TO SERVICE '//TargetDB1/TargetService’
ON CONTRACT [//AllDBs/OrderProcessing] ;

BEGIN DIALOG @dialog_handle2
FROM SERVICE [//InitiatorDB/InitiatorService]
TO SERVICE '//TargetDB2/TargetService’
ON CONTRACT [//AllDBs/OrderProcessing] ;

BEGIN DIALOG @dialog_handle3
FROM SERVICE [//InitiatorDB/InitiatorService]
TO SERVICE '//TargetDB3/TargetService’
ON CONTRACT [//AllDBs/OrderProcessing] ;

SEND ON CONVERSATION (@dialog_handle1, @dialog_handle2, @dialog_handle3)
    MESSAGE TYPE [//AllDBs/OrderMsg]
    (@OrderMsg) ;