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  1. Categories >> Software >> Databases >> Oracle >> Oracle ETL
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What are materialized views & where do we use them? What is a materialized view?

Question Posted / Naresh Sharma

Answer Posted / Naresh Sharma

A materialized view (MV) in Oracle ETL is a database object that contains pre-computed query results, which can significantly improve the performance of complex queries. Materialized views are useful when you need to frequently run reports on data that does not change often or takes a long time to process. The data in a materialized view is refreshed periodically using a refresh procedure. By caching the result set as a table, materialized views can provide faster query response times and improved performance for large data sets.

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