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LES FORMES NORMALES

2. LES FORMES NORMALES . Premire forme normale. 2. Deuxime forme normale. 3. Troisime forme normale. 0. Pourquoi normaliser ? . . 3. Pourquoi normaliser ? . Normaliser un schma relationnel c'est le remplacer par un schma quivalent o toutes les relations vrifient certaines proprits. Ces

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LES FORMES NORMALES

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    1. 1 LES FORMES NORMALES

    2. 2 LES FORMES NORMALES

    3. 3 Pourquoi normaliser ?

    4. 4 LES FORMES NORMALES

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    7. 7 Personne(numéroSécu, nom, prénom, adresse, prénomEnfants, âgeEnfants)

    8. 8 Personne(num_personne, nom, prénom, adresse_rue,CP,Ville,numéroSécu, âge) Lien parental(N°parent,N°enfant)

    9. 9 LES FORMES NORMALES

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    14. 14 LES FORMES NORMALES

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