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Querying databases using database pools

  • US 6,775,661 B1
  • Filed: 03/21/2001
  • Issued: 08/10/2004
  • Est. Priority Date: 03/21/2001
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a network;

    a file including information about two or more groups of databases, a namespace being associated with each group;

    a client configured to read the file and to receive a request from a user for a search query, the request including a namespace that can match namespaces of databases in a particular group from the two or more groups of databases, the query also indicating whether a result of the search query may include a null result; and

    one or more servers configured to only search the particular group of databases in response to the search query, the search query considering the availability and the speed of each of the databases; and

    a process configured to monitor if access to each of the databases is currently available and to determine a speed of each of the databases, the process producing information describing the availability and speed of each of the databases.

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