How to set an expiration date for a WHOLE user account

Hi,
I'm wonder how I can disable a user (without droping of course). Is there a
way to set an expiration date to prevent logins after that date?

I know the VALID UNTIL clause of CREATE USER command, but it is about the
password only.
I think something similar but regarding the whole user account.


Thanks,
-- Csaba Együd

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No virus found in this outgoing message.
Checked by AVG Anti-Virus.
Version: 7.0.323 / Virus Database: 267.6.9 - Release Date: 2005.06.11.