On Thu, 24 May 2001, Aigars Grins wrote:
> > > *] I need to generate a RANDOM UNIQUE number for every new record. Is
> there an
> > > *] easy way to accomplish this inside of mySQL.
> > > *]
>
> What are the requirements for 'random' and 'unique'? Do you need some sort
> of cryptographic randomness? Does uniqueness be kept across tables?
>
> If you 'only' need a unque id you could you AUTO_INCREMENT. If you want
> uniqueness to carry over tables etc. you could take a look at the aproach
> made by the Apache module mod_unique_id. If you need a cryptographic
> randomness you should look into some litterature about the area so as to get
> a better understanding of what you truly need.
Would an MD5 encryption be another option? Use a auto incrementing ID to
keep your records sorted, then the MD5 field for your unique randomness.
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