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Posted: March 5th, 2022

Draw the relational schema for each of the following.

Homework 3

Draw the relational schema for each of the following.

1.

2. Note: The double circle represents a multivalued attribute.

2

3.

NOT Multivalued!!!! It is a COMPOSIT Key only!

4. Normalize and draw the relational schema for the following. Note: The dotted attribute is a derived attribute.

5. The following table contains sample data for PART SUPPLIERS.

Part_No

Description

Vendor Name

Address

Unit_Cost

1234

Logic Chip

Fast Chips

Cupertino

10.00

Smart Chips

Phoenix

8.00

5678

Memory Chip

Fast Chips

Cupertino

3.00

Quality Chips

Austin

2.00

Smart Chips

Phoenix

5.00

6. Normalize the following relationship – draw the relational schema.

7. The following figure provides a sample report card from OU. Convert this user view to a set of 3NF relations. Assume the following: An instructor has a unique location, a student can have more than one major, and a course has a unique title.

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