Jeff Amiel <[EMAIL PROTECTED]> writes:
> I thought:
> "Each transaction sees a snapshot (database version) as of its 
> starttime, no matter what other transactions are doing while it runs"

That's a correct statement in SERIALIZABLE mode, but in the default
READ COMMITTED mode, it's more complicated --- a new snapshot is taken
for each command within a transaction.  See the docs.

                        regards, tom lane

---------------------------(end of broadcast)---------------------------
TIP 1: if posting/reading through Usenet, please send an appropriate
       subscribe-nomail command to [EMAIL PROTECTED] so that your
       message can get through to the mailing list cleanly

Reply via email to