Database system capable of carrying out an efficient free area s

Details Database system capable of carrying out an efficient free area s Database system capable of carrying out an efficient free area s

1995-09-11

1998-04-07

Black, Thomas G.

39549702, 39549703, 39549704, G06F 1200

Patent

active

057376034

ABSTRACT:
In a database system of the present invention, a storage range in the data storage area has a control record storing the address of the additional range in the overflow area and the upper additional ranges constituting the additional range have control records storing the addresses of the connected lower additional range or ranges and of another upper additional range connected and the free area data for the connected lower additional ranges. In searching for a free area, storage range free area checking means judges whether the storage range has any free area, and upper additional range free area checking means judges whether the upper additional range has any free area. For existence of free area in lower additional ranges, lower additional range free area checking means refers to the free area data for the lower additional ranges stored in the control record of the upper additional range and judges whether a free area exists or not.

REFERENCES:
patent: 4536837 (1985-08-01), Olson et al.
patent: 4849878 (1989-07-01), Roy
patent: 5021946 (1991-06-01), Korty
patent: 5034914 (1991-07-01), Osterlund
patent: 5107481 (1992-04-01), Miki et al.
patent: 5200864 (1993-04-01), Dunn et al.
patent: 5247660 (1993-09-01), Ashcraft et al.
patent: 5276840 (1994-01-01), Yu
patent: 5339411 (1994-08-01), Heaton, Jr.
patent: 5375233 (1994-12-01), Kimber et al.
patent: 5548751 (1996-08-01), Rye et al.
Tanenbaum, Operating Systems: Design and Implementation, 1987, pp. 251-273.

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