Hi: I have a autocommit value set to OFF however when I exit from SQL*Plus it commits the transaction. Is it a expected behavior? SQL> show auto autocommit OFF SQL> delete from t1; 48601 rows deleted. SQL> exit Disconnected from Oracle Database 10g Enterprise Edition Release 10.1.0.2.0- Pr oduction With the Partitioning, OLAP and Data Mining options C:\Documents and Settings\s397131\Desktop>sqlplus sami/sami SQL*Plus: Release 10.1.0.2.0 - Production on Mon Aug 15 14:29:05 2005 Copyright (c) 1982, 2004, Oracle. All rights reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Production With the Partitioning, OLAP and Data Mining options SQL> select count(*) from t1; COUNT(*) ---------- 0 SQL> show auto autocommit OFF SQL>