What is an Extent ?
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Answer / orawhiz
An Extent is a specific number of contiguous data blocks,
obtained in a single allocation, used to store a specific
type of information
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Answer / mahima
it is basic unit of storage space for table and index. it
allocate s0pace for table and index row data.its having 8
64k datapages.
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Answer / nishi
An extent is a contiguous area of storage reserved for a file in a file system, represented as a range. A file can consist of zero or more extents; one file fragment requires one extent.
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