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<H1>key</H1>
<P>
(definition)

<P>
<strong>Definition:</strong>
The part of a group of data by which it is sorted, indexed, cross referenced, etc.
<P><em>Note:
For instance, to sort customer records alphabetically, the key is the last name, then the given names. Other information, such as the address, outstanding balance, credit limit, etc. do not matter in sorting the records alphabetically.  Different keys may be used at different times, for instance, an accounting report may need customers with larger balances first, so the records could be sorted using the outstanding balance as the key.</em>
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Entry modified Wed Dec 15 09:13:20 1999.<BR>
HTML page formatted Wed Dec 22 09:35:38 1999.

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