CHAPTER 26Using Materialized Views
To improve the performance of an application, you can make local copies of remote tables that use distributed data, or create summary tables based on group by operations. Oracle provides materialized views to store copies of data or aggregations. Materialized views can be used to replicate all or part of a single table, or to replicate the result of a query against multiple tables; refreshes of the replicated data can be done automatically by the database at time intervals that you specify. In this chapter, you will see the general usage of materialized views, including their refresh strategies, followed by a description of the optimization strategies available.
Functionality
Materialized views are copies (also ...
Get Oracle Database 11g The Complete Reference now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
