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Externalizing very large objects in a relational database client/server environment

  • US 6,487,551 B2
  • Filed: 04/16/2001
  • Issued: 11/26/2002
  • Est. Priority Date: 09/24/1998
  • Status: Expired due to Term
First Claim
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1. A method for executing a query to retrieve data from a database, the database comprising data having at least one standard data type and data having at least one non-standard data type and being stored on a data storage device connected to a server computer, the method comprising the steps of:

  • at the server computer, retrieving data having a standard data type, a small non-standard data type, and a large non-standard data type from the database;

    generating an answer set comprising data having the standard data types, the small non-standard data types, and a placeholder, wherein the placeholder represents data having the large non-standard data types;

    transmitting the generated answer set comprising at least the placeholder to a client computer; and

    after transmitting the generated answer se transmitting data having the large non-standard data type represented by the placeholder in the answer set to the client computer.

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