Materialized views are very popular in Oracle systems where performance is critical and complex SQL queries exist against large tables. Generally, we see materialized views used in two areas ...

SQL views evaluate the data in the tables underlying the view’s definition when they’re queried. So, the benefit of using SQL views is that they always return the latest data .

When you’re monitoring materialized views, it’s critical that you check the refresh interval in the dba_jobs view. Here is a SQL statement to check the generated job status for materialized views: ...