[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [MySQL] can you have a no-default column; error if unspecified?
Bennett Haselton wrote:
> Is it possible to set a column to have no possible default value, so if you
> try to create a record that doesn't specify a value for that column, you'll
> get an error?
Set it to NOT NULL
> For example, if I have a table where the "date" field should always be
> set. I took out the default "NULL" value, but that just gave it a default
> value of 0000-00-00. What I want to ensure is that it's not possible to
> create a record for which the date value hasn't been specified.
Who's going to stop a user from entering 0000-00-00? You'll have to create validation schemes in your code.
--
H | "Life is the art of drawing without an eraser." - John Gardner
+--------------------------------------------------------------------
Ashley M. Kirchner <mailto:ashley@xxxxxxxxxx> . 303.442.6410 x130
Director of Internet Operations / SysAdmin . 800.441.3873 x130
Photo Craft Laboratories, Inc. . 3550 Arapahoe Ave, #6
http://www.pcraft.com ..... . . . Boulder, CO 80303, U.S.A.
---------------------------------------------------------------------
Before posting, please check:
http://www.mysql.com/manual.php (the manual)
http://lists.mysql.com/ (the list archive)
To request this thread, e-mail <mysql-thread92863@xxxxxxxxxxxxxxx>
To unsubscribe, e-mail <mysql-unsubscribe-treed=ultraviolet.org@xxxxxxxxxxxxxxx>
Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
This mailing list archive is a service of Copilot Consulting.