2026-03-12 20:23:15

tpt/demos/cursor_sharing_similar.sql

@@ -0,0 +1,33 @@
+-- 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.
+
+drop table t;
+
+create table t as 
+select rownum a, 'zzz' b from dual connect by level<=1000;
+
+create index i on t(a);
+
+exec dbms_stats.gather_table_stats(user,'T',method_opt=>'FOR COLUMNS A SIZE 254');
+
+@sqlt "select * from t where a ="
+
+
+alter session set cursor_sharing = similar;
+
+spool lotsofselects.sql
+
+select 'select * from t where a = '||rownum||';' from dual connect by level<=10000;
+
+spool off
+
+@lotsofselects.sql
+@hash
+
+
+@sqlt "select * from t where a ="
+
+--exec for i in 1 .. 10000 loop execute immediate 'delete t where a = '||to_char(i); end loop;
+--declare j number; begin for i in 1..1000 loop select count(*) into  
+
+