fetch execution plan using sql_id
fetch execution plan using sql_id
set lines 500
SELECT * FROM table(DBMS_XPLAN.DISPLAY_CURSOR('<sql_id',0));
example
SELECT * FROM table(DBMS_XPLAN.DISPLAY_CURSOR('<D345G5543de',0));
AWR Reports
AWR Reports Introduction Workload Repository Reports AWR Snapshots and Baselines Moving AWR Information Reading the AWR Report Useful Queries Remove and Disable AWR Links with AWR Analyzer Introduction AWR periodically gathers and stores system activity and workload data which is then analyzed by ADDM. Every layer of Oracle is equipped with instrumentation that gathers information on workload which will then be used to make self-managing decisions. AWR is the place where this data is stored. AWR looks periodically at the system performance (by default every 60 minutes) and stores the information found (by default up to 7 days). AWR runs by default and Oracle states that it does not add a noticeable level of overhead. A new background server process (MMON) takes snapshots of the in-memory database statistics (much like STATSPACK) and stores this information in the repository. MMON also provides Oracle10G with a server initiated alert feature, which notifies database admini
Comments
Post a Comment