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Le mod le logique des donn es relationnel MLD

Le Mod?le Logique des Donn?es (MLD) est une ?tape interm?diaire pour passer du mod?le E/A, qui est un mod?le s?mantique, vers une repr?sentation physique des donn?es : fichiers, SGBD hi?rarchique, SGBD r?seau, SGBD relationnel.Nous nous limitons au seul MLD relationnel, qui pr?pare le passage a

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Le mod le logique des donn es relationnel MLD

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