Question

Relational Algebra. Given two relations Car(model, price, color, manufacturer) and Manufacturer(name, city), Salary(city, salary) write relational algebra queries to find: 3.b Reduced number of entity sets and relationships from the next e/r diagram.

Answer 1

To find the reduced number of entity sets and relationships from the given ER diagram, we need to determine the minimum number of tables required to represent the same information.

Step-by-step explanation:

To find the reduced number of entity sets and relationships from the given ER diagram, we need to determine the minimum number of entity sets and relationships required to represent the same information.

In this case, we have two relations: Car(model, price, color, manufacturer) and Manufacturer(name, city), and one additional relation: Salary(city, salary).

The reduced number of entity sets and relationships can be found by analyzing the functional dependencies and determining the minimum number of tables required to represent the information with the same set of functional dependencies.

In this case, we would need at least three tables: Car(model, price, color), Manufacturer(name, city), and Salary(city, salary).