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Technique for providing a universal query for multiple different databases

  • US 6,233,584 B1
  • Filed: 09/09/1997
  • Issued: 05/15/2001
  • Est. Priority Date: 09/09/1997
  • Status: Expired due to Fees
First Claim
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1. In a computing environment having a plurality of databases and servers, each of said databases being accessible through a server associated therewith, computer readable-code for accessing data from one of the databases, comprising:

  • first subprocesses for generating, at a requesting entity, a single database query requesting desired data;

    second subprocesses for sending the single database query in its original form over a network;

    third subprocesses for permitting at least some of the servers to receive the single database query in its original form;

    fourth subprocesses for determining, for each combination of the databases and the server associated therewith which received the single database query, whether the database contains the desired data, wherein each of the servers is associated with a factory class which receives the single database query and determines whether the desired data resides in the database associated with the server with which the factory class is associated; and

    for the database found to contain the desired data, if any, fifth subprocesses for retrieving the desired data from the database and sending the desired data as required by the requesting entity.

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