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maxDeltager. mindeltager. fagbeskrivelse. slutDato. startDato. ugedag. pris. betaltdato. Kursus. tilhøre. Afholdelse. n. tilemelding. 1. n. 11. Opgaver. n. n. Litteratur. navn. underviser. m. foregår. Kursist. Adresse. Telefonnr. Email. adresse. 1. 1. postnr. Lære.

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Kursus

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  1. maxDeltager mindeltager fagbeskrivelse slutDato startDato ugedag pris betaltdato Kursus tilhøre Afholdelse n tilemelding 1 n • 11 Opgaver n n Litteratur navn underviser m foregår Kursist Adresse Telefonnr Email adresse 1 1 postnr Lære KursusCenter Navn Kontaktperson Navn by Adresse postnr by Email telefonnr

  2. Omformning fra E/R • Entiteter • Kursus: id (PK), beskrivelse • Laere: id(PK), navn, adresse, postnr(FK), email, tlfnr • Afholdelse: id(PK), startdato, slutdato, maxdeltager, mindeltager, pris, kursusid(FK), lareid(FK) • Kursist: knr(PK), navn, adresse, postnr(FK), tlf,email • M:N relation • Tilmelding:knr(FK), afholdid(FK), datotilmeldt, datoBetalt • Multivalued attributter • Literatur: isbn(PK), titel, forfatter, kursusid(FK) • Opgaver: nr(PK), beskrivelse, kursusid(FK) • Normalisering • Postnr: postnr(PK), bynavn

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