Category: SQL

deterministic_result_cache

Understanding Clustering In Oracle Database

Clustering is a method of storing tables that are intimately related and often joined together into the same area on…

RETURNING INTO

Understanding RealTime Materialized View In Oracle Database 19c

In earlier Oracle version, QUERY REWRITE feature used to stop working as soon as the materialized view become STALE, unless…

mv_query_rewrite

Understanding Materialized View Query Rewrite

When base tables contain large amount of data, it is expensive and time-consuming to compute the required aggregates or to…