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Consider the subsequent relation
Professor (Pfcode, dept, head, time)
It is assumed that
(i) A professor can work in much more than one dept.
(ii) The time he spends in every dept is given.
(iii) Every dept has only one head
Draw the dependency diagram for the above relation by recognizing the dependencies.
Ans:
Dependency Diagram
Convert the following ER - diagram (Entity Relationship Diagram) into a relational database (the primary keys are underlined): 2160_Convert the following ER - diagram into a
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A relation has: Relational Schema Relation instance Relational Schema: A relational schema shows the relation's name, its attributes and the domain of every a
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