这篇论坛文章主要介绍了SQL Server与Oracle的数据同步方案及解决过程,更多内容请参考下文:
说到同步,其实是靠"作业"定时调度存储过程来操作数据,增,删,改,全在里面,结合触发器,游标来实现,关于作业调度,我使用了5秒运行一次来实行"秒级作业",这样基本就算比较快的"同步"
我做的是SQL Server往Oracle端同步,先在sql server上建立往Oracle端的链接服务器,我用一个视图"封装"了一下链接服务器下的一张表。
| create view v_ora_PUBLISHLASTREC
as select * from ORACLEDB..ROADSMS.PUBLISHLASTREC
|
脚本如下:
| --说明:modiid等于1为insert,2为delete,3为update
create trigger trg_PUBLISHLASTREC_insert on PUBLISHLASTREC for insert as insert into dbo.PublishLastRec_SQL(modiid,SignalGUID,AreaNo,SignalNote,AreaNote,PublishRoadStatus,PublishTime,IsExec) select '1',SignalGUID,AreaNo,SignalNote,AreaNote,PublishRoadStatus,PublishTime,'0' from inserted
as insert into dbo.PublishLastRec_SQL(modiid,SignalGUID,AreaNo,SignalNote,AreaNote,PublishRoadStatus,PublishTime,IsExec) select '3',SignalGUID,AreaNo,SignalNote,AreaNote,PublishRoadStatus,PublishTime,'0' from inserted
as insert into dbo.PublishLastRec_SQL(modiid,SignalGUID,AreaNo,SignalNote,AreaNote,PublishRoadStatus,PublishTime,IsExec) select '2',SignalGUID,AreaNo,SignalNote,AreaNote,PublishRoadStatus,PublishTime,'0' from deleted |

