Look up UNIQUE in TFM.
----- Original Message -----
From: "Chris Aitken" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, February 19, 2001 14:05
Subject: Making a table have no Duplicates
> Hi Everyone.
>
> Just a quick question I worked out once before on my lonseome and the
mysql
> manual, but it was longer ago than yesterday and it a blur how I did it.
>
> What I need to do is..... I have a table, and in that table there are
> several fields which need to be unique. What do I need to do to make other
> fields within a table so that it rejects any duplicates.
>
> If for instance, I have a field called 'job_number' in a table called
> 'jobs' and it is 'varchar(50)' and I want to make it so that no duplicates
> are allowed, what command should I issue ?
>
>
> Thanks
>
>
> Chris
>
>
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