2026-03-12 20:23:15

tpt/demos/lots_nonshared_children.sql

@@ -0,0 +1,29 @@
+-- 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 * FROM dual;
+INSERT INTO t VALUES ('Y');
+COMMIT;
+
+PROMPT Sleeping for 3 seconds...
+EXEC DBMS_LOCK.SLEEP(5);
+
+PROMPT Running...
+DECLARE
+    j NUMBER;
+    t NUMBER := 0;
+    curscn NUMBER;
+BEGIN
+    SELECT current_scn INTO curscn FROM v$database;
+    FOR i IN 1..10000 LOOP
+        EXECUTE IMMEDIATE 'select count(*) from t as of scn '||curscn INTO j;
+        t := t + j; 
+        DBMS_OUTPUT.PUT_LINE(j);
+    END LOOP;
+    DBMS_OUTPUT.PUT_LINE(t);
+END;
+/
+
+@topcur
+