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Parallel database management method and parallel database management system

  • US 5,983,228 A
  • Filed: 02/18/1998
  • Issued: 11/09/1999
  • Est. Priority Date: 02/19/1997
  • Status: Expired due to Term
First Claim
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1. In a parallel database management system including a request reception server for receiving a request from a user, and a plurality of execution servers for parallelly executing database processing appropriate to the request from the user, said request reception server and said plurality of execution servers each having a function of executing a plug-in program module incorporated by the user in a database system, a database management system method performing a database execution control comprising the steps of:

  • when said request reception server creates an execution procedure code for instructing a procedure for executing the database processing appropriate to the request from the user, said request reception server recognizing that another plug-in module is executed on said request reception server to acquire information to be passed to the plug-in module as an input when an plug-in module is executed on each said execution server;

    executing said other plug-in module on said request reception server in accordance with said recognition to acquire said information to be passed as an input; and

    said request reception server editing said execution procedure code such that the information acquired at the preceding step is passed as an input when said plug-in module is executed on each said execution server.

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