CREATE MATERIALIZED VIEW defines a view of a query that is not updated each time the view is referenced in a query. By default, the view is populated when the view is created; you can include the ...

The solution is to use SQL views, materialized views, or create a new table that contains only the filtered data the user needs.

This article explores the internals of materialized views and demonstrates how to precompute complex aggregates—having Oracle dynamically rewrite SQL to reference precomputed aggregate information.

<para>We consider a variant of the view maintenance problem: How does one keep a materialized view up-to-date when the view definition itself changes? Can one do better than recomputing the view from ...

A conventional materialized view blindly materializes and maintains all rows of a view, even rows that are never accessed. We propose a more flexible materialization strategy aimed at reducing storage ...