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What is Task about?

The document provides exercises related to database concepts, including comparisons between DML and DDL, primary keys and candidate keys, and normalization forms (1NF, 2NF, 3NF) for a given relation. It also includes an ER diagram description for books and publishers, along with SQL commands to create and manipulate an employee table. The document concludes with SQL query examples and their respective results.

Author

ahmedgamal773j

Language

EN