Hi,
I am getting copies of your email...I don't know why...Can you fix this
problem..
Kind regards,
Matthew
- Original Message -
From: "Mark Goodge" <[EMAIL PROTECTED]>
To: "mysql"
Sent: Monday, November 17, 2008 10:14 AM
Subject: Re: Optim
Norman Elton wrote:
I've got a table that tracks expiration dates. Currently, if the
record hasn't expired, the column is stored as NULL. In order to find
records that haven't expired, I search for "WHERE expire_at > NOW() OR
expire_at IS NULL". This seems dirty, and I suspect it makes my
index
