Обсуждение: Use of cmin in psql

hi,<br /><br /> what is the use of the cmin system column....<br /><br /> After inserting if i see this column cmin has
the0 in the ordinary places....., <br /><br /> If it is in the transaction place ( between BEGIN and END ) where i had
deletedand rollbacked that column has the 33397398 somw what large number..............<br clear="all" /><br />-- <br
/>sathiyamoorthy 

"sathiya moorthy" <mail2sathiyamoorthy@gmail.com> writes:
> what is the use of the cmin system column....

http://www.postgresql.org/docs/8.1/static/ddl-system-columns.html
        regards, tom lane