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Understanding Data Modeling Concepts by aliu104 is a document available to read on EtoBox.
What is Understanding Data Modeling Concepts about?
The document discusses conceptual and logical data modeling, emphasizing the differences between them and the importance of relational models. It outlines the requirements for tables to qualify as relations, including unique names and atomic attribute values, and explains integrity constraints such as entity and referential integrity. Additionally, it covers the implications of deleting parent relations on dependent relations and the various rules that can be applied, such as restrict, cascade, and set-to-n
- Author
- aliu104
- Language
- EN