If CURRENT_TIMESTAMP is for the statement, is there any equivalent to
TRANSACTION_TIMESTAMP?

-----Original Message-----
From: firebird-support@yahoogroups.com
[mailto:firebird-support@yahoogroups.com] On Behalf Of Ann W. Harrison
Sent: Tuesday, January 30, 2007 10:59 AM
To: firebird-support@yahoogroups.com
Subject: Re: [firebird-support] CURRENT_TIMESTAMP vs. NOW

Rick Debay wrote:

> I notice that NOW is usually later than CURRENT_TIMESTAMP. I believe
> this has to do with transactions, but I'd like an explanation.
>

NOW is the time at the instant it is evaluated. CURRENT_TIMESTAMP is
fixed for the duration of a statement. In other words, if you were to
update every record in a large table, setting TIME_MODIFIED to NOW,
you'd see several different times. CURRENT_TIMESTAMP, on the other
hand, would set the TIME_MODIFIED to the same value.

Regards,


Ann

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