×

Execution of database queries including filtering

  • US 6,879,977 B2
  • Filed: 01/10/2001
  • Issued: 04/12/2005
  • Est. Priority Date: 04/28/2000
  • Status: Active Grant
First Claim
Patent Images

1. A method for processing a database query on a set of data resulting in an access plan, comprising the steps of:

  • (a) calling a data manager by a query manager to access a query-specified data in the set of data, (b) performing a callback to the query manager by the data manager when the data manager locates the query-specified data, (c) executing a filtering operation on the located query-specified data by the query manager and indicating to the data manager whether the query-specified data qualifies in response to the callback, and (d) returning the query-specified data by the data manager if the response from the query manager to the callback indicates that the query-specified data qualifies.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×