pls hw 6 short answer

pls hw 6 short answer - -Split table and create from that...

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2. -Information regarding address is not atomic. -There is repetition, which increases the chance that the database contains mistakes. -There are calculated columns (dependent information), which also increases the chance that the database contains mistakes/reduces efficiency. Data must be unique and independent. 3. -To make address atomic, must split up address.
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Unformatted text preview: -Split table and create from that table that has repetition or too many empty cells, more than one table, each one having no repetition or empty cells. -Leave calculated fields and create query that contains these formulas. 5. Principle: This normal form reduces the chances of containing mistakes, which therefore allows him to mine for data more efficiently....
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This note was uploaded on 01/25/2012 for the course PLS pls 21 taught by Professor Jlieth during the Fall '10 term at UC Davis.

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