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DATABASE SYSTEM

  • US 20160217174A1
  • Filed: 06/30/2015
  • Published: 07/28/2016
  • Est. Priority Date: 01/27/2015
  • Status: Abandoned Application
First Claim
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1. A database system in which a database server executing processing based on a data control request and a storage are connected via a communication line, whereinthe storage includesa data area that stores a database,a transaction information storage area that stores transaction information including a start log or an end log for transaction processing,a journal log storage area that stores a journal log including writing state of the data to the storage based on the data control request, anda first circuit that manages lock state and the writing state of target data in the storage, and records the journal log in the journal log storage area, andthe database server includes a second circuit that, upon receipt of the data control request, determines the transaction information storage area from a combination of the subject database server and a unit of division of processing executing the transaction processing, and writes the transaction information into the determined transaction information storage area.

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