>On Sat, Feb 24, 2001 at 09:43:45AM -0700, Karl Stubsjoen wrote:
> >
> > I'm trying to understand MySQL indexing but am having trouble
> > understanding the differnences (and when to use each) between
> > Primary Key, Key, Unique, an Index. Can you help?
>
>Index and Key are the same.
>
>A Primary Key is a Unique Index.
With the NOT NULL constraint. UNIQUE indices allow NULLs.
Bob Hall
Know thyself? Absurd direction!
Bubbles bear no introspection. -Khushhal Khan Khatak
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