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performancetuning [2015/07/21 08:51] z0hpvkperformancetuning [2025/04/01 08:34] (current) z0hpvk
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 ===== Performance Tuning ===== ===== Performance Tuning =====
 +
 +==== Simple Explain Plan ====
 +<code sql>EXPLAIN PLAN FOR SELECT * FROM dba_users;
 +SELECT * FROM TABLE(DBMS_XPLAN.DISPLAY);
 +</code>
 +
 ==== Get Active Sessions ==== ==== Get Active Sessions ====
 <code>SET LINES 2000 TRIMSPOOL ON PAGES 10000 <code>SET LINES 2000 TRIMSPOOL ON PAGES 10000
performancetuning.1437468711.txt.gz · Last modified: 2025/03/08 22:23 (external edit)