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What is Understanding ER Data Models about?

The document explains the Entity-Relationship (ER) data model, which is a high-level data model used in database design to define data elements. It outlines the components of an ER diagram, including entities, attributes, and various types of attributes such as key, composite, multivalued, and derived attributes. An example provided is a school database to illustrate these concepts.

Author

mggoswami011

Language

EN