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Chapter IV Relational Data Model Pemrograman Sistem Basis Data.

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Presentation on theme: "Chapter IV Relational Data Model Pemrograman Sistem Basis Data."— Presentation transcript:

1 Chapter IV Relational Data Model Pemrograman Sistem Basis Data

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9 Attribute is a named column of a relation. Domain is the set of allowable values for one or more attributes. Tuple is a row of a relation. Degree is the number of attributes in a relation. Cardinality is the number of tuples in a relation. Relational Database is a collection of normalized relations with distinct relation names.

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11 Examples of Attribute Domains

12 Alternative Terminology for Relational Model

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