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Method and mechanism for identifying transaction on a row of data

  • US 7,873,649 B2
  • Filed: 09/06/2001
  • Issued: 01/18/2011
  • Est. Priority Date: 09/07/2000
  • Status: Active Grant
First Claim
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1. A method for accessing data within a relational database, the method comprising steps of:

  • receiving, at a relational database system that includes a database server and the relational database, a request including a Uniform Resource Locator (URL) wherein the URL includes an Xpath expression, wherein the Xpath expression specifies a particular relational table of the relational database and a particular column, of the particular relational table, that stores target data;

    the relational database system determining, based at least on the Xpath expression, the particular column of the particular relational table of the relational database that corresponds to the target data; and

    the relational database system retrieving the target data from the particular column of the particular relational table of the relational database;

    wherein retrieving the target data includes converting the Xpath expression into a Structured Query Language (SQL) statement that selects data from the particular column of the particular relational table;

    wherein the method is performed by a computer system programmed to be a special purpose machine pursuant to instructions from program software.

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