2026-03-12 20:23:15

tpt/demos/nl.sql

@@ -0,0 +1,28 @@
+-- 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 t1;
+drop table t2;
+
+create table t1 as select * from dba_users;
+create table t2 as select * from dba_objects;
+
+select /*+ ordered use_nl(t2) gather_plan_statistics */
+     t1.user_id, t1.username, sum(length(t2.object_name))
+from t1, t2
+where t1.username = t2.owner
+and t1.username = 'SYSTEM'
+group by t1.user_id, t1.username
+/
+
+@x
+
+select /*+ ordered use_nl(t2) gather_plan_statistics */
+     t1.user_id, t1.username, sum(length(t2.object_name))
+from t1, t2
+where t1.username = t2.owner
+and t1.username like 'SYS%'
+group by t1.user_id, t1.username
+/
+
+@x