Re: A "key" question

[Peter Brawley]

Mikhail,

 >Is it possible or makes sense to key a field that is a part of Unique
 >Index already?

MySQL won't stop you, but it's a waste of space & cpu cycles unless 
there's a high-priority query performance need for it.

PB

-----

Mikhail Berman wrote:

>Hello everyone,
> 
>Is it possible or  makes sense to key a field that is a part of Unique
>Index already?
> 
>Regards and thank you
> 
>Mikhail Berman
>
>  
>
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