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 .

In Oracle9i, if you specify REFRESH FAST for a single-table aggregate materialized view, you must have created a materialized view log for the underlying table, or the refresh command will fail.

Oracle has announced the general availability of Oracle SQL Developer Release 1.2 that features new capabilities to ease the migration and consolidation of third-party databases onto Oracle Database ...