Parallel, distributed optimistic concurrency control certificati

Details Parallel, distributed optimistic concurrency control certificati Parallel, distributed optimistic concurrency control certificati

1990-12-20

1993-11-16

Lee, Thomas C.

Boots, shoes, and leggings

395575, 364DIG1, 3642592, 3642821, 3642834, 364285, G06F 1128, G06F 1540

Patent

active

052631567

ABSTRACT:
A method and system for determining a conflict in a database transaction processing system between a specific transaction and one or more other transactions utilizes a certification system (30). The certification system (30) comprises a memory (32) which contains a log of database activity. The log is periodically broadcast over a channel (42) to a plurality of filters (43) which determine if there are conflicts between particular transactions. The inventive system and method perform optimistic concurrency control in a database transaction processing system in a highly efficient manner.

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