optimize sql query

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Soraya
05 Sep 2019
1-- ORACLE: get explain plan for a query
2-- Without execution
3EXPLAIN PLAN FOR select ...;
4SELECT * FROM TABLE(dbms_xplan.display);
5-- With execution
6SELECT /*+ gather_plan_statistics */  ...;
7SELECT * FROM TABLE(dbms_xplan.display_cursor(NULL,NULL,'ALLSTATS LAST'));
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