Composite Key?

ashish17

Jul 6 2009, 11:04 AM

I am learning database and i want to know the differernce between the primary and composite keys..

and something about the normalization..

thankx in advance!!!!

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Darasen

Jul 7 2009, 04:15 PM

Greetings,

A composite key is a key that uses more than one column to identify the data as opposed to a single column. This can sometimes be more useful than assigning each row an arbitrary value to use as a key such as an auto number field.

For normalization I suggest you visit this site.

You may also wish to take a look at this post for a list of really useful database links.

I hope this is helpful to you.

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