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Methods and apparatus for recording write requests directed to a data store

  • US 20050066118A1
  • Filed: 08/24/2004
  • Published: 03/24/2005
  • Est. Priority Date: 09/23/2003
  • Status: Active Grant
First Claim
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1. A method for recording write requests directed to a data store, the method comprising:

  • recording in at least one first database table a plurality of write request entries, each write request entry comprising information relating to a write request that was directed to a data store;

    maintaining, for each first database table, at least one record in a second database table, the one or more records comprising data representing the effects of the write requests on a state of at least one portion of the data store; and

    updating, each time that one write request entry is recorded in one first database table, at least one record in the second database table.

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