从ora10g刷数据到8I基本操作步骤
从ora10g刷数据到8I基本操作步骤
master :oracle 10g
snapshot site: oralce 8i
在oracle 8i 中物化视图称为快照,oracle 8i建快照的sql 命令在oracle10g依然是兼容的。
on master site:
删除快照日志(可选) drop snapshot log on xxxx; drop snapshot log on xxxx; 重建快照日志 CREATE SNAPSHOT LOG ON xx TABLESPACE "TS_SNAPSHOT_LOG" ; CREATE SNAPSHOT LOG ON xxx TABLESPACE "TS_SNAPSHOT_LOG" ; on snapshot site: 删除快照(快照) drop SNAPSHOT xxx; drop SNAPSHOT xxxx; 重建快照 CREATE SNAPSHOT xxx TABLESPACE "xxx" REFRESH FAST START WITH sysdate NEXT sysdate+30/1440 AS select * fromxxx@xxx; CREATE SNAPSHOT xxx TABLESPACE "TS_SNAPSHOT" REFRESH FAST START WITH sysdate NEXT sysdate+30/1440 AS select * from xxxx@xxxx; 手工刷新 execute dbms_refresh.refresh('"xxxx"."xxxxx"'); execute dbms_refresh.refresh('"xxxx"."xxxxx"');