What's the difference between star and snow flake schema?


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What is Data Redundancy and Consistency ?

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what are the differences you find when working with oracle 91 and sql server 2005?

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I need data on eBay customers in Chicago who can did bid on certain item? I dont have access to eBay database directly. How I get the information?

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Explain the terms specialization and generalization.

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Which dbms is best?

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