A method and apparatus for operating a database

Details A method and apparatus for operating a database A method and apparatus for operating a database

G - Physics

06

F

G06F 17/30 (2006.01)

Patent

CA 2396453

A method of processing a database service query is provided. In one embodiment, the method includes receiving a service query (104), applying principles of logic to the service query to obtain a sum of terms (105, 106), evaluating each term as one or more separate SQL instructions (107), and executing each separate SQL instruction. Preferably, the sum of terms is additionally expanded to remove NOT operators, using for example Boolean logic.

L'invention concerne un procédé de traitement d'une demande de service associée à une base de données. Dans un mode de réalisation, ce procédé consiste à recevoir une demande de service (104), à appliquer des principes de logique à cette demande de service afin d'obtenir une somme de termes (105, 106), à évaluer chaque terme en tant qu'une ou plusieurs instructions SQL séparées (107), puis à exécuter chaque instruction SQL séparée. De préférence, on augmente la somme des termes par addition de façon à supprimer les portes NON au moyen d'une logique booléenne, par exemple.

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