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Generic SQL query agent

  • US 5,881,232 A
  • Filed: 07/23/1996
  • Issued: 03/09/1999
  • Est. Priority Date: 07/23/1996
  • Status: Expired due to Fees
First Claim
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1. A method of providing access to data stored at a database management system implemented by a server computer to a remote user operating a client computer, connected by a communications channel, comprising the steps of:

  • receiving a request from the client computer at an agent executed by an agent computer;

    interpreting the request at the agent;

    assigning a dynamically determined lifetime to a token;

    communicating the token to the client computer;

    determining whether to close the communications channel;

    when it is determined that the communications channel is to be closed, closing the communications channel;

    transforming the interpreted request into database management system commands at the agent;

    transmitting the database management system commands to the database management system;

    receiving a result from the database management system at the agent in response to the database management system commands;

    transforming the result into a response message at the agent;

    when the communications channel has been closed, re-opening the communications channel;

    communicating the token from the client to the server;

    verifying that the lifetime of the token has not expired; and

    transmitting the response message from the agent to the client computer.

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