Question: Complete the following two questions: a. Determine the Primary key in the following table. (2 marks) Sales_Detail Table ProductID Sales Cost Profit 3489 3.09 4.6

Complete the following two questions:

a. Determine the Primary key in the following table. (2 marks)

Sales_Detail Table

ProductID

Sales

Cost

Profit

3489

3.09

4.6

3.43

3492

8.48

6.71

2.69

3410

3.10

4.92

7.32

3489

6.45

2.16

8.25

b. What are the appropriate data types that can be used for the following fields? (4 marks)

i. CustomerNumber

ii. StudentID

iii. City

iv. ProductDescription

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