SQLServer跨库同步数据

create PROCEDURE [dbo].[p_pm_项目平台客户批量同步到报销平台](
  @destserver nvarchar(50),
  @sourceserver nvarchar(50)
)
AS
BEGIN

  SET NOCOUNT ON;
  --不存在则添加链接服务器,外部查询必须指明IP地址,例如 select * from [IP].[database].[dbo].[table]
  if not exists (select * from sys.servers where server_id!=0 and data_source=@destserver)
  begin
    exec sp_addlinkedserver  @server=@destserver
  end
  if not exists (select * from sys.servers where server_id!=0 and data_source=@sourceserver)
  begin
    exec sp_addlinkedserver  @server=@sourceserver
  end
    begin try 
    set xact_abort on
    begin transaction 
              INSERT INTO [192.168.0.10].[dbCRM].[dbo].[t_custom] (客户ID,
                
                客户名称,
                客户简称,
                输入码,
                查询码,
                地址,
                录入登录名,
                录入时间,
                修改登录名,
                修改时间,
                审批状态ID,
                审批状态名称,
                是否审批结束,
                审批操作时间,
                项目管理客商编码,
                序号)
        SELECT A.客户ID,A.客户名称,
                A.客户简称,
                dbo.fn_pm_GetPy(A.客户名称),
                A.客户编号+','+A.客户名称+','+dbo.fn_pm_GetPy(A.客户名称)+','+A.客户简称+','+dbo.fn_pm_GetPy(A.客户简称),
                A.地址,
                'admin',
                getdate(),
                null,
                null,
                'D65F87A8-79C8-4D1C-812D-AE4591E056A8',
                '已审批',
                1,
                A.审批操作时间,
                A.项目管理客商编码,
                0
        FROM  [dbPM].[dbo].[v_custom] A
        WHERE A.客户ID NOT IN ( SELECT 客户ID FROM  [192.168.0.10].[dbCRM].[dbo].[t_custom]);
      
                          
                                          
        ----------------------------------存在更新-----------------------------------                                
        update  A set 
              A.客户名称=B.客户名称,
              A.客户简称=B.客户简称,
              A.输入码=dbo.fn_pm_GetPy(B.客户名称),
              A.查询码=B.客户编号+','+B.客户名称+','+dbo.fn_pm_GetPy(B.客户名称)+','+B.客户简称+','+dbo.fn_pm_GetPy(B.客户简称),
              A.地址=B.地址,
              A.修改登录名='admin',
              A.修改时间=getdate(),
              A.项目管理客商编码 =B.项目管理客商编码
          from [192.168.0.10].[dbCRM].[dbo].[t_custom] A,[dbPM].[dbo].[v_custom] B 
          where A.客户ID=B.客户ID;
      
      
      
      commit transaction 
    end try 
    begin catch 
      select ERROR_NUMBER() as errornumber,ERROR_MESSAGE() as errormsg,ERROR_LINE() as errorline
      rollback transaction 
    end catch
END