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VVIP Urgent Timed 60 minutes a. Determine the Primary key in the following table. (2 marks) Purchase Table TransactionID CustomerID ProductID PurchaseDate 1201 3489 507

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a. Determine the Primary key in the following table. (2 marks) Purchase Table TransactionID CustomerID ProductID PurchaseDate 1201 3489 507 12/01/2021 1202 3492 248 12/01/2021 1202 3410 610 18/01/2021 1204 3489 248 11/12/2021 b. What are the appropriate data types that can be used for the following fields? (4 marks) i. CreatedDate ii. Email iii. Passport Number iv. Employeeld

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