Question: QUESTION 1 a) File system method is an improvement over manual system. However, there are many problems that associated with file system including data anomalies.

QUESTION 1 a) File system method is an improvement over manual

QUESTION 1 a) File system method is an improvement over manual system. However, there are many problems that associated with file system including data anomalies. i) Briefly describe TWO (2) types of data anomalies. (4 marks) ii) Briefly describe TWO (2) applications of big data implemented in healthcare industry. Give an example for each application. (4 marks) b) Data redundancy is common issue in file system. Illustrate with description how data redundancy could occur. (8 marks) c) Based on the Entity Relationship Diagram in Figure 1.0, explain how referential integrity are enforced VENDOR VEND_CODE VEND_CONTACT VEND_AREACODE VEND_PHONE PRODUCT PROD CODE PROD_DESCRIPT PROD_PRICE PROD_ON_HAND 00 VEND_CODE Figure 1.0: Referential integrity in Entity Relationship Diagram (4 marks)

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