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Kindly explain the Concepts

This is a discussion on Kindly explain the Concepts within the Other DBs forums, part of the Database category; I want to know what is chunk and extent in database concept. Can someone provide a detailed idea on this....

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Old 02-02-2007, 07:49 AM
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Kindly explain the Concepts
I want to know what is chunk and extent in database concept. Can someone provide a detailed idea on this.
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Old 04-07-2007, 08:48 AM
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Extent is space allocated by database server to store data plus the additional storage space for additional storage. Chunk is the largest unit of physical disk allocated by database server for data storage.
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Old 04-07-2007, 08:53 AM
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It was a brief explanation. So does it mean an extent is a sub portion of chunk. Kindly tell me whether my idea is correct.
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Old 04-07-2007, 08:54 AM
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Yes you have got it absolutely right. An extent is always entirely contained in a chunk. That is the extent cannot cross chunk boundaries.
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Old 04-07-2007, 08:55 AM
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Will there be separate team of people for producing logical database design and physical database design in companies or will it be carried out by the same team.
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