On Fri, Jul 11, 2008 at 9:43 AM, samantha mahindrakar <[EMAIL PROTECTED]> wrote: > Hi all.... > This is a very basic question.....can we roll back data after we run a > query. > I know that a delete within a transaction can be rolled back. But how about > independent delete queries??? > If i ran a delete statement and lost data...how do i recover. I know that > oracle has this provision of rollingback queries. > Iam surprised iam not able to find the same in postgres.
If you were not in a query, then you cannot just roll back. This is because each statement is an individual transaction and a delete query "outside" a transaction is actually a begin;delete...;commit; in nature. Oracle only supports the rollback after commit if you have the right module installed and activated. And it uses up a fair bit of disk space to do it. TANSTAAFL. IF you have PITR setup in postgresql then you can recover to a previous point in time. Otherwise, you need to restore from backups. -- Sent via pgsql-sql mailing list (pgsql-sql@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-sql
