建立一个on demand类型的物化视图,而且没有指定刷新间隔 CREATEMATERIALIZEDVIEWorders_mv2 REFRESH FASTONDEMAND AS SELECT* FROMorders o; 建立刷新组 BEGIN DBMS_REFRESH.make( name=>'SIM.MIN_REFRESH',-- 定义刷新组名称 list=>'', next_date=>SYSDATE, interval=>'SYSDATE + 1/(60*24)', implicit_des...
drop materialized view log on test_table; --删除物化视图日志: 1. drop materialized view mv_materialized_test; --删除物化视图 1. 物化视图刷新 使用dbms_mview.refresh 手工刷新 EXEC DBMS_MVIEW.REFRESH('mv_emp_rowid'); --完全刷新 EXEC DBMS_MVIEW.REFRESH(LIST => 'mv_emp_rowid',METHOD => ...
N present in the select list COUNT(*) is not REFRESH_FAST_PCT: Y Oracle Materialized Views & Query Rewrite Page 10 REWRITE: Y REWRITE_FULL_TEXT_MATCH: Y REWRITE_GENERAL: Y REWRITE_PARTIAL_TEXT_MATCH: Y REWRITE_PCT: Y Tuning a Materialized View The EXPLAIN_MVIEW procedure advises what is...
--4、修改刷新时间altermaterializedviewmv_dept_tmp_test refresh forceondemand startwithsysdatenextsysdate+10/24/60--5、手动快速刷新beginDBMS_MVIEW.REFRESH(LIST=>'v_union_target_bak',METHOD=>'f');end;--6、目标库删除物化视图日志dropmaterializedviewlogondept_tmp_test;--7、本地库删除物化视图drop...
CREATEMATERIALIZEDVIEW mv_emp_pk REFRESHFASTSTARTWITHSYSDATE NEXT SYSDATE + 1/48 WITHPRIMARYKEY ASSELECT * FROM emp@remote_db --当用FAST选项创建物化视图,必须创建基于主表的视图日志,如下: CREATEMATERIALIZEDVIEWLOGON emp; --Rowid物化视图示例: ...
create materialized view log onbig2 * ERROR at line 1: ORA-12014: table 'BIG2' does notcontain a primary key constraint 说明:物化视图日志创建有二种方式,with [primary key|rowid]默认是第一种。 所以如果主表没有主键的话,选择rowid比较合适 ...
CREATE MATERIALIZED VIEW CREATE TRIGGER执行该过程也需要该特权COPY_TABLE_DEPENDENTS。 要让用户使用包重新定义其他模式中的表,必须授予用户以下权限: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 CREATEANYTABLEALTERANYTABLEDROPANYTABLELOCKANYTABLESELECTANYTABLE ...
create table tname (a (char));alter view vname 2)创建物化视图日志 3)正式创建 注释: build immediate :立即创建 refresh fast :刷新类型为fast enable query rewrite :启用查询重写 4)删除物化视图 **drop materialized view materview;***
GRANT CREATE MATERIALIZED VIEW TO USER_NAME; 2.在源表建立物化视图日志 [sql] view plaincopy CREATE MATERIALIZED VIEW LOG ON DAVE TABLESPACE&BISONCU_SPACE -- 日志空间 WITH PRIMARY KEY; -- 指定为主键类型 3.授权给中间用户 [sql] view plaincopy ...
The tool is often used along with the SQL Access Advisor since that tool provides advice on materialized views and indexes. Oracle Database 11g introduces a SQL Advisor tool that combines functions of the SQL Tuning Advisor and the SQL Access Advisor (and now includes a new Partition Advisor)...