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What is extent for..

550749Apr 7 2008 — edited Apr 14 2008

Extent is a specific number of contignous data blocks, but I don't understand sense in it. When we read data from the table - we ask for blocks, when we update/insert/delete - we also operate on block. So what is extent for?

Thx for help.
Aliq.

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Locked on May 12 2008

Added on Apr 7 2008

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