a) Database Theory [8 Marks]¶
1) What is the difference between Structured and Unstructured data? Provide two examples of each type of data.[3 marks] CourseNana.COM
2) What are the typical tiers in the 3 tier architecture model? Briefly describe the role of each tier.[2 marks] CourseNana.COM
3) Is SQL a Data Definition Language (DDL), a Data Manipulation Language (DML), or both? Explain your answer. CourseNana.COM
