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Method to help in optimizing a query from a relational data base management system

  • US 5,630,120 A
  • Filed: 09/08/1995
  • Issued: 05/13/1997
  • Est. Priority Date: 10/12/1992
  • Status: Expired due to Term
First Claim
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1. A method for displaying a query execution plan of a query for a relational database management system (RDBMS), said RDBMS being of the type that processes aspatial data only and having a screen display, said query execution plan comprising operations to be executed by said RDBMS, said operations being interconnected through links, said method comprising the steps of:

  • generating information representative of said query execution plan, said information including at least one of operation names for said operations of the query execution plan, an option, and at least one characteristic of each said operation;

    analyzing said information to determine said operation names, said options, said characteristics and said links; and

    displaying on said screen display the operations in respective boxes, each of said boxes incorporating said operation name and corresponding options and characteristics, and the links between said boxes in a linear graphical form.

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