Does a refresh fast on commit union all materialized view (in Oracle) copy all the underlying data, or does it just have a reference to it?
I\'ve found that I can have two tables and create a fast refresh on commit materialized view based on those tables joined.
When I run the following code on Oracle 10g: drop materialized view test4; drop materialized view test3;
I\'m trying to create a view as such: CREATE MATERIALIZED ReasonableSizedView TABLESPACE MyMediumTS AS select COUNT(something) AS allsomethings,
We created some materialized views that ran fine against a copy of actual app data.The app does not police its own data.Since then, some of the users may have been either careless or creative in their
I am writing a program using Ruby on Rails and PostgreSQL. The system generates alot of reports which are frequently updated and frequently accessed by users. I am torn between whether I should use Po
I have materialized views that ran in production but hare having problems refreshing. The error message is
In one of our applications, we have a massive Materialized View that refreshes three times a day, and takes seven hours to refresh.(Not ideal, I know).开发者_如何学PythonThis perplexed me, because I s
I have a materialized view that looks somewhat like the following and I\'m wondering if there is anyway to have this materialized view \'fast\' refreshable?Basically, I\'m asking the following:
We use a web-based service that runs on Oracle.They are strict about only allowing SELECT-only ODBC access.Some of the reporting that we do isn\'t well accounted for by the views that the company prov