WebRefreshing a materialized view automatically updates all of its indexes. In the case of full refresh, this requires temporary sort space to rebuild all indexes during refresh. This is … WebJul 13, 2007 · A materialized view log (snapshot log) is a schema object that records changes to a master table's data so that a materialized view defined on that master table can be refreshed incrementally. The frequency of this refresh can be configured to run on-demand or at regular time intervals.
Oracle基础部分三(视图、物化视图、序列、同义词、索 …
WebFeb 19, 2014 · CREATE MATERIALIZED VIEW schema.mat_repo_view BUILD IMMEDIATE REFRESH COMPLETE ON DEMAND disable query rewrite as select * from table1 I need to alter this view to change my query inside this view. So can I use the alter syntax as below. ALTER MATERIALIZED VIEW new_employees AS select * from table2. WebJul 21, 2024 · 1.创建materialized view的方法分两步创建物化是图,方便维护,先创建表再用prebuilt方式创建物化视图,在物化视图出现刷新问题时drop materialized view不会删除数据表,只删除了物化定义,这样再重建恢复物化视图刷新时可以免于初始化数据,直接重建物化 … reading glasses .25 strength
oracle - How to know when a refresh of a materialized view has …
WebAug 10, 2024 · How to create an Oracle materialized view that performs well on fast refresh ? — Discngine This website stores cookies on your computer. These cookies are used to collect information about how you interact with our website and allow us to remember you. WebJul 23, 2010 · I did 'alter materialized view mv_nm refresh start with sysdate+0.1/24 next sysdate+1/24', and checked dba_jobs - the job was scheduled to run in 0.1 hour, but after an hour, I checked the NEXT column in dba_jobs, it's still the original one, I checked dba_mview, the last_refresh was still a few days ago - it did not refresh. job_queue_processes … WebMar 23, 2024 · The refresh process is taking too much time and enabling trace 10046 level12 on the session refreshing the mview you see lots of messages like these: Changes The materialized view site upgraded from 11204 to 19C Cause In this Document Symptoms Changes Cause Solution References how to style curly beard