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Understanding Relational Data Models by Tade Mersha is a document available to read on EtoBox.
What is Understanding Relational Data Models about?
Chapter two of the document discusses the relational data model, which organizes data in two-dimensional tables called relations. It covers basic terms such as relations, entities, attributes, and constraints, as well as the properties of relational models and integrity constraints that ensure data quality. The chapter also explains various types of keys, including primary, foreign, and composite keys, and their roles in maintaining relationships between different tables in a relational database.
- Author
- Tade Mersha
- Language
- EN