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Computer system for creating semantic object models from existing relational database schemas

  • US 5,819,086 A
  • Filed: 06/07/1995
  • Issued: 10/06/1998
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Fees
First Claim
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1. A computer system for creating a semantic object model from an existing relational database schema, comprising:

  • a memory having a database catalog stored therein, wherein the database catalog defines a plurality of relational database tables included within the database schema and at least one column included within each of the relational database tables;

    a display device for displaying the semantic object model to a user;

    a central processing unit, coupled to the memory and to the display device, the central processing unit including a computer program that causes the central processing unit to perform the following functions;

    a) to analyze the database catalog to determine each relational database table defined in the existing relational database schema;

    b) to create a semantic object within the semantic object model that corresponds to at least one of the relational database tables defined in the relational database schema;

    c) to analyze each column defined in the relational database schema for the relational database table corresponding to the semantic object created; and

    d) to create at least one simple value attribute within the semantic object created that corresponds to a column defined for the relational database table to which the semantic object corresponds.

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