scott.marlowe wrote:
On Fri, 11 Oct 2002, Jeff Davis wrote:
I agree with your message except for that statement. MySQL alter table
provides the ability to change column types and cast the records
automatically. I remember that feature as really the only thing from MySQL
that I've ever missed.
Of course, it's not that wonderful in theory. During development you can
easily drop/recreate the tables and reload the test data; during production
you don't change the data types of your attributes.
But in practice, during development it's handy sometimes.
I still remember a post from somebody on the phpbuilder site that had
changed a field from varchar to date and all the dates he had got changed
to 0000-00-00.
He most unimpressed, especially since he (being typical of a lot of MySQL
users) didn't have a backup.
Couldn't he just do ROLLBACK? ;-)
(for the humor impaired, that's a joke...)
Mike Mascari
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