Data aggregation
Define the term data aggregation?
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An operational data source generally consists of the records of individual transactions just like the product sales. If user of the data warehouse only requires a summed total, you may decrease the records to more manageable number by aggregating the data.
Explain the term Chasm trap?
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Briefly describe the term Object qualification?
Illustrates the term Open Server in Sybase?
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States the term Star Schema?
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Write a brief note on a distributed database?
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