12-Apr Shoprite Themba Msiza Ruffles 450 R123 R55 350 R95 R42 750 R12 600
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16-Jun Shoprite Thapelo Mokgothu
Sun Cracks 800 R35 R28 000 R25 R20 000 R8 000
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1.1 Create a dependency diagram using the above table. [15]
Th
1.2 Create a dependency diagram that is in 2NF. [5]
1.3 Create a dependency diagram that is in 3NF. [5]
1.4 Deduce five business rules using the results in 1.3. [5]
1.5 Create an Entity Relationship Diagram using the results of 1.4. [20]
1.6 Create Data Dictionary using the results of 1.5. [20]
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Question 2 [30]
One of the important elements of database is database security. There are different
mechanisms that can be used to ensure database security. Discuss the different security
mechanisms that you can use. Discuss their advantages and disadvantages and provide
strategy on how you will implement them. Make sure you discuss a minimum of five
mechanisms.
Product Unit Price Total Sales Unit Cost Total Cost Profits
1.3
Orders Quantity
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https://www.coursehero.com/file/74564718/Exam-ICT3621-700553-2020pdf/
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