建立測(cè)試表
--建立日志記錄
create materialized view log on T_table with rowid ,sequence(object_name,object_type,owner) including new values; create materialized view log on t_table_1 with rowid,sequence(table_name) including new values;--建立物化視圖
create materialized view mv_t_table nologging refresh fast on demand with rowid START WITH TO_DATE('21-08-2017 10:09:08', 'DD-MM-YYYY HH24:MI:SS') NEXT SYSDATE + 1/(24*60) as select count(*),a.object_type,a.owner from T_table a,t_table_1 b where a.object_name=b.table_name group by a.object_type,a.owner--測(cè)試
select * from mv_t_table where owner='SYSTEM'; delete from t_table where owner='SYSTEM'; insert into t_table select * from dba_objects where owner='SYSTEM';--查看日志生成量
select a.name, b.value from v$statname a, v$mystat b where a.statistic# = b.statistic# and a.name = 'redo size';--查看刷新日志
SELECT owner,mview_name,last_refresh_scn,last_refresh_date,query,REVISION FROM dba_mview_analysis WHERE owner='UTF32';--查看日志記錄表,MLOG$為日志記錄表,一旦更新完成,此表的內(nèi)容會(huì)被清掉;
select * from MLOG$_T_TABLE select * from MLOG$_T_TABLE_1;官方說(shuō)明參見(jiàn):http://docs.oracle.com/cd/E11882_01/server.112/e10706/repmview.htm#REPLN265
另外有需要云服務(wù)器可以了解下創(chuàng)新互聯(lián)cdcxhl.cn,海內(nèi)外云服務(wù)器15元起步,三天無(wú)理由+7*72小時(shí)售后在線(xiàn),公司持有idc許可證,提供“云服務(wù)器、裸金屬服務(wù)器、高防服務(wù)器、香港服務(wù)器、美國(guó)服務(wù)器、虛擬主機(jī)、免備案服務(wù)器”等云主機(jī)租用服務(wù)以及企業(yè)上云的綜合解決方案,具有“安全穩(wěn)定、簡(jiǎn)單易用、服務(wù)可用性高、性?xún)r(jià)比高”等特點(diǎn)與優(yōu)勢(shì),專(zhuān)為企業(yè)上云打造定制,能夠滿(mǎn)足用戶(hù)豐富、多元化的應(yīng)用場(chǎng)景需求。