A contiguous section of disk storage space (6) The set of all instances of a class within the database (15)
An extent is a contiguous space allocated to a segment in a tablespace The size of an extent is controlled by storage parameters used when you CREATE or ALTER the segment, including INITIAL, NEXT and PCT_INCREASE
the distance or area or volume over which something extends; "the vast extent of the desert"; "an orchard of considerable extent" the point or degree to which something extends; "the extent of the damage"; "the full extent of the law"; "to a certain extent she was right
16K consecutive bytes in a file Extents are numbered from 0 to 31 One extent can contain 1, 2, 4, 8, or 16 blocks EX is the extent number field of an FCB and is a one-byte field at FCB + 12, where FCB labels the first byte in the FCB Depending on the block size (BLS) and the maximum data block number (DSM), an FCB can contain 1, 2, 4, 8, or 16 extents The EX field is normally set to 0 by the user but contains the current extent number during file I/O The term FCB folding describes FCBs containing more than one extent In CP/M version 1 4, each FCB contained only one extent Users attempting to perform random record I/O and maintain CP/M 1 4 compatiblity should be aware of the implications of this difference See CP/M 1 4 compatibility
A peculiar species of execution upon debts due to the crown, under which the lands and goods of the debtor may be seized to secure payment
A group of eight continuous pages Since each page in SQL Server holds 8K, an extend is 64K in size There are mixed and uniform extents found in SQL Server versions 7 0 and 2000 A mixed extent contains pages from two or more objects Uniform extents have all of their 8 pages allocated to the same object
the distance or area or volume over which something extends; "the vast extent of the desert"; "an orchard of considerable extent"
Space or degree to which a thing is extended; hence, superficies; compass; bulk; size; length; as, an extent of country or of line; extent of information or of charity