Answered step by step
Verified Expert Solution
Link Copied!

Question

1 Approved Answer

The following table has been wrongly designed as a relation to include study activities of students in different units (of study). The concatenated value of

image text in transcribed

The following table has been wrongly designed as a relation to include study activities of students in different units (of study). The concatenated value of Studentld and Unitld can identify each row uniquely in the table. Examine the table and answer the questions that follow tudentName Mary Smith Peter Ho Mary Smith Mary Smith Student S070123 S017277 S070123 S070123 S103456Lisa C nitName Database Database Pr Networks Project COIT20247 COIT20247 in COIT20246 nter COIT20249 Note: A student may study zero or many units. A new unit may not have any students whereas another unit may be studied by many students. Each student can get only one grade in a unit (of study). (a) Explain insertion and deletion anomalies by using the above table. (2 marks) (b) What is the highest normal form that the above table satisfies? Justify your answer (1 mark) (c) Normalise the above table into a set of relations that satisfy 3NF using the format as follows (1 mark) Relation 1 (ID1, Abc, Def...) Foreign key (ID1) references Relation 1 Note: You need not show the work-out. Write only the 3NF relations

Step by Step Solution

There are 3 Steps involved in it

Step: 1

blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

blur-text-image_2

Step: 3

blur-text-image_3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Pro Database Migration To Azure Data Modernization For The Enterprise

Authors: Kevin Kline, Denis McDowell, Dustin Dorsey, Matt Gordon

1st Edition

1484282299, 978-1484282298

More Books

Students also viewed these Databases questions

Question

10. Microsoft Corporation

Answered: 1 week ago

Question

10. What is meant by a feed rate?

Answered: 1 week ago

Question

What is Change Control and how does it operate?

Answered: 1 week ago

Question

How do Data Requirements relate to Functional Requirements?

Answered: 1 week ago