· Add a snapshot/materialized view to the already existing refresh group: SQL execute DBMS_www.doorway.ru(name = 'my_group_1', list = 'mv_borrowing_rate'); my_group_1 now has three views in its group, mv_market_rate, mv_dealer_rate and mv_borrowing_rate (the newly added view). All of these views will be refreshed at an interval of 30 minutesADD: materialized view to the refresh group. · EXECUTE DBMS_www.doorway.ruH(LIST='MV_MY_VIEW'); alternatively you can add some options: EXECUTE DBMS_www.doorway.ruH(LIST='MV_MY_VIEW',PARALLELISM=4); this actually works for me, and adding parallelism option sped my execution about times. More info here: How to Refresh a Materialized View in ParallelReviews: 8. For materialized views using BUILD DEFERRED, a complete refresh must be requested before it can be used for the first time. A complete refresh may be requested at any time during the life of any materialized view. The refresh involves reading the detail tables to .
EXECUTE DBMS_www.doorway.ruH(LIST='MV_MY_VIEW'); alternatively you can add some options: EXECUTE DBMS_www.doorway.ruH(LIST='MV_MY_VIEW',PARALLELISM=4); this actually works for me, and adding parallelism option sped my execution about times. More info here: How to Refresh a Materialized View in Parallel. How to create scheduler for manually refresh Materialized View if the MV get need_compile stallness status. Ask Question Asked 6 years, 6 months ago. For materialized views using BUILD DEFERRED, a complete refresh must be requested before it can be used for the first time. A complete refresh may be requested at any time during the life of any materialized view. The refresh involves reading the detail tables to compute the results for the materialized view.
You need to create the materialized view using START WITH and NEXT Clause create materialized view refresh on demand start with sysdate next sysdat. By default, materialized views are automatically refreshed within 5 minutes of a change to the base table, but no more frequently than every 30 minutes. create materialized view test_mv as select * from test_tab;. I want this MV to be incremental refreshed automatically/manually at a specified interval.
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