Database Management

How to Stop Oracle Data Guard Broker Using ALTER SYSTEM Command Purpose The command ALTER SYSTEM SET dg_broker_start=false stops the Oracle Data Guard broker by shutting down the Data Guard monitor (DMON) background process. This command is essential when you need to disable broker management temporarily for …

Understanding Oracle Database Statistics Gathering: A Comprehensive Guide Purpose DBA_TAB_STATISTICS is the view that shows what the optimizer knows about each table: the number of rows, the average row length and the number of data blocks. DBMS_STATS is the package that fills those numbers in. The optimizer reads them …

Optimizing Performance with Oracle Database: Gathering Schema and Table Statistics Purpose Automatic optimizer statistics collection runs by itself inside the maintenance windows. Manual DBMS_STATS calls run when you decide, on the objects you choose, with the options you set. That is the main difference between the …