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Method for exposing hierarchical table structures and relationships to OLE DB applications

  • US 7,383,285 B1
  • Filed: 03/08/2005
  • Issued: 06/03/2008
  • Est. Priority Date: 03/08/2005
  • Status: Active Grant
First Claim
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1. In a specialized Data Management System (DMSII) wherein a client application means (100) operates with a Data Access System (102) to communicate with a Database Server (104) operating under a Master Control Program (MCP) a system for enabling OLE DB applications to access normalized relational table structures from hierarchical formatted data in said Database Server (104) comprising the steps of:

  • (a) client application means (100) utilizing OLE DB applications for initiating changes in data, accessed from said Database Server (104) holding hierarchical data;

    (b) data access means (102) for communicating requests from said client application means (100) to said Database Server (104) including;

    (b1) means for converting the native hierarchical format of data in said Database Server (104) into relational format suitable for OLE DB applications in said client application means (100);

    (b2) OLE DB Data Provider Object means (20) connecting to said client application means (100) via an Application Program Interface (24) and communicating with a Data Provider Object (25) and transport Object (26), said Data Provider Object for interfacing OLE DB applications to and from a Worker Module (27) via said Transport Object (26) which enables communication between said Database Server (104) and said client application means (100);

    (b3) said Objects (25, 26) connected to a Server Library (28) and Worker Module (27) for transmitting requests and data to and from said Database Server (104).

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