The solution is to use SQL views, materialized views, or create a new table that contains only the filtered data the user needs. ... Here’s an example of when you should use materialized views.

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.

Invoking SQL query rewrite Once materialized views have been enabled, ... Listing B provides an example of a materialized view with an ON COMMIT refresh. ... Create the materialized view table.