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Sammenhæng mellem Objekt Orientering og Relationsdatabaser.

Sammenhæng mellem Objekt Orientering og Relationsdatabaser. DAB1. OO vs. RDB. Objekt Orientering Objekter UML. Relationsdatabaser Tabel, rækker, koloner Kardinalitet Værktøjer SQL LinQ ERD ” Schema ”. Sammenhængen.

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Sammenhæng mellem Objekt Orientering og Relationsdatabaser.

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  1. Sammenhæng mellem Objekt Orientering og Relationsdatabaser. DAB1

  2. OO vs. RDB Objekt Orientering • Objekter • UML • Relationsdatabaser • Tabel, rækker, koloner • Kardinalitet • Værktøjer • SQL • LinQ • ERD • ”Schema”

  3. Sammenhængen • En stor forskel mellem OO og RDB er måden relationsforhold eller associationer (OO), ses på. • Klasse  objekt • Tabel  Entitet (række instanser) • Klassediagram (OO) vs. ER diagram (RDB)

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