2026-03-12 20:23:15

tpt/lotssparses2.sql

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+-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
+-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.
+
+--------------------------------------------------------------------------------
+--
+-- File name:   lotssparses.sql
+-- Purpose:     Generate Lots of soft parses and library cache/mutex activity 
+--              for testing purposes
+--
+-- Author:      Tanel Poder
+-- Copyright:   (c) http://www.tanelpoder.com
+--              
+-- Usage:       @lotsparses <number>
+--              @lotsparses 100
+--              @lotsparses 1000000
+--	        
+-- Other:       You probably don't want to run this in production as it can
+--              fill your shared pool with junk and flush out any useful stuff!
+--
+--------------------------------------------------------------------------------
+
+prompt alter session set session_cached_cursors=0;
+alter session set session_cached_cursors=0;
+
+declare
+    x number;
+begin
+    for i in 1..&1 loop
+    	execute immediate 'select count(*) cnt from dual x1 where rownum = 1';
+    end loop;
+end;
+/