Lab_03_AM10-13 - 7.104 DATABASE ENGINEERING I WEEK 03...

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7.104 DATABASE ENGINEERING I WEEK 03 – AM10-13 LAB / TUT RELATIONAL MODEL & NORMALIZATION This laboratory / tutorial exercise aims for the student to understand and gain skills on how to develop a relational data model: Functional Dependency, Modification Anomalies, Normalization, Multivalued Dependency. It is recommended for students to follow the order as listed below; (A) Examine the table below - ORDER_ITEM and answer questions follows; OrderNumber SKU Quantity Price ExtendedPrice 3000 100200 1 300 300 2000 101100 4 50 200 3000 101100 2 50 100 2000 101200 2 50 100 3000 101200 1 50 50 1000 201000 1 300 300 1000 202000 1 130 130 1. Is the above stated table a Relation or NOT? 2. Write down the functional dependencies of the above stated table? (B) Consider the table below STAFF_MEETING(EmployeeName, ProjectName, Date) The rows of this table record the fact that an employee from a particular project attended a meeting on a given date. Assume that a project meets at most once per day. Also, assume that
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Lab_03_AM10-13 - 7.104 DATABASE ENGINEERING I WEEK 03...

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