Boots – shoes – and leggings
Patent
1987-06-22
1988-06-21
Shaw, Gareth D.
Boots, shoes, and leggings
G06F 900
Patent
active
047529105
ABSTRACT:
A transactional data base processing apparatus which executes plural transactions causing a data base to be updated, incorporates an after-image recovery storage apparatus and method which enables continuous operation of the transaction system. The after-image recovery storage apparatus has a temporary storage file and a permanent storage file with circuitry for writing from the temporary storage file to the permanent storage file. Tha circuitry also writes after-image updating data records to the temporary storage file. The apparatus further includes elements for initiating transfer of the after-image data records from the temporary storage file to the permanent storage prior to a time when the temporary file is filled with the data records. The transfer is accomplished by operating the apparatus on a time shared basis so that other ongoing operations including transactional operations occur as the after-image data is being transferred to a permanent storage device.
REFERENCES:
patent: 4498145 (1985-02-01), Baker et al.
DuBourdieu, D., "Implementation of Distributed Transactions," Proceedings of the 6th Berkeley Workshop on Distributed Data Management and Computer Networks, Feb. 16-18, 1982.
Golin Marion A.
Peters Jeff R.
Spilke Howard
Yen Fang-Ying
Mills, III John G.
Prime Computer Inc.
Shaw Gareth D.
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