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Database,ER diagram, SQL

2.1 No primary keys, cardinality constraints, weak entities (if any), and participation constraints are given in your ER diagram

2.2 DDL statements means “Create table” statements with primary keys and foreign keys

2.3 Functional dependencies means for example: Student.SSN —> Student.Name, Student.Department. All dependencies like this and also BCNF normal form.

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