On Thu, 3 Jul 2003, Bruno Wolff III wrote:
> On Wed, Jul 02, 2003 at 16:26:09 -0300,
> Chris Schneider <[EMAIL PROTECTED]> wrote:
> > I know this is basic, but couldn\'t find and in a hurry to know the answer. When
> > interfacing with PostgreSQL through PSQL, it appears that DML statements are
> > auto-commited, that is, a change I make in one session is seen from another
> > without the original session issueing a COMMIT. Is this a result of PSQL
> > interface and if so, can it be turned off. Is PostgreSQL transactional in the
> > sense that I can issue several DMLs and then ROLLBACK. If so, how. Thanks and
> > sorry for the newbie question.
>
> Autocommit is the default mode for psql. Use "begin;" to start a transaction.
> And use "end;" to end a transaction. Note that unlike in sqlplus with Oracle,
> any errors while in the transaction will abort it and you have to start
> over.
>
> All DML and most DDL statements are rollbackable by 7.3. I believe in 7.4
> all DDL statements will be rollbackable.
Except drop database. That's one that'll probably never be rollbackable
;^)
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