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This document appears to be a lecture on mapping an entity relationship diagram (ERD) to a relational database model. It discusses concepts like strong and weak entity sets. It provides examples of strong entity sets that have a primary key, like a table with columns for student ID, name, major, and GPA. It also discusses weak entity sets that depend on a strong entity set, like dependents that depend on employees. The document then outlines the process for mapping an ERD to relational tables, including sta

Author

Zahoor ahmed

Language

EN