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Transitioning ownership of data items between ownership groups

  • US 6,341,340 B1
  • Filed: 12/28/1998
  • Issued: 01/22/2002
  • Est. Priority Date: 12/28/1998
  • Status: Expired due to Term
First Claim
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1. A method for transitioning ownership of a data item, the method comprising the steps of:

  • a) disabling access to the data item;

    b) waiting for all transactions that have made changes to the data item to either commit or abort;

    c) if any transactions that made changes to the data item abort, then removing all changes to the data item that were made before access to the data item was disabled by the transactions that abort;

    d) changing data that indicates ownership of the data item from a first owner to a second owner; and

    e) enabling access to the data item.

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