Reply to Re: "you should define a primary key for this table" - why?

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Posted by CAH on 10/10/19 11:27

> I don't use phpmyadmin, but I assume that it would like to use the
> primary key to make sensible select/update-statements. Apart from
> that, it is just an advice for your own good.
>
> Primary keys are to ensure integrity, but you get performance gains as
> an added bonus, because you get the table indexed. In other words,
> without a primary key (when applicable), you risk making a mess of
> your data and having a crappy performance. But the choice is still up
> to you. :)

Thanks for the tip, I will try to make one.

I see what you mean, I will try to make the kind of joint ket mensionen
above.

Cah

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