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Lesson Navigation IconRelationales Datenmodell

Unit Navigation IconKonzepte

Unit Navigation IconAbbildung ER-Schema

Unit Navigation IconData integrity

LO Navigation IconSchlüsselintegrität

LO Navigation IconGegenstandsintegrität

LO Navigation IconReferentielle Integrität

LO Navigation IconIntegritätsgefährdung

Unit Navigation IconNormalisierung

Unit Navigation IconSummary

Unit Navigation IconRecommended Reading

Unit Navigation IconGlossary

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Data integrity

Integrity or consistency stands for the quality and reliability of data of a database system. A database is consistent if the data reflects the referenced objects correctly. It is inconsistent if there exist ambiguous or contradictory tuples, relations or tables in the database.

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