Draw a relational schema for your 3NF relations

Assignment Help Database Management System
Reference no: EM131470476

Normalisation - Using the given table/relation, do the following:

1. Draw a dependency diagram to show the functional dependencies in the relation

2. Decompose the following table into a set of 3NF relations

3. Draw a relational schema for your 3NF relations and show the referential integrity constraints

4. Manually drawing the dependency diagrams is not acceptable.

Trainer_ID

Trainer_Name

Room_No

Room_Seats

Class_Session

Class_Name

Class_Day

School

101

Alana Fredrick

54A

36

9:00

ITC114

Mon

Computing

102

George Edwards

22

28

9:00

ITC333

Mon

Computing

103

Lilly Nelly

59

38

12:30

BUS350

Tues

Business

104

Eddy Brown

53

30

12:30

ITC114

Thurs

Computing

102

George Edwards

59

38

4:00

ITC504

Fri

Computing

103

Lilly Nelly

18

24

12:30

BUS360

Wedn

Business

102

George Edwards

53

30

9:00

ITC201

Wedn

Computing

105

Sam Wang

22

28

4:00

ITC556

Tues

Computing

106

Yifeng Chong

58

38

9:00

ITC556

Thurs

Computing

The assignment is to be presented as a Word document, however you can do the dependency diagrams in any other software (PowerPoint is ok) but need to do a screen shot and place in the Word document - you need to do this for each NF level.

You need to follow the exact steps as shown in the slides from chapter 6 on normalisation: that is, you have to show 1NF, then 2NF and take it to 3NF.

You need to indicate the type of dependencies, and show the normalisation process as you resolve at each NF.

You need to produce a final ERD after normalising. This may be done in Workbench, or in any other software.

Reference no: EM131470476

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Reviews

len1470476

4/22/2017 6:11:22 AM

Australian student, I want screenshot of each step and please read the criteria properly, I want in word file with screenshot. The assignment is to be presented as a Word document, however you can do the dependency diagrams in any other software (PowerPoint is ok) but need to do a screen shot and place in the Word document - you need to do this for each NF level. You need to follow the exact steps as shown in the slides from chapter 6 on normalisation: that is, you have to show 1NF, then 2NF and take it to 3NF. You need to produce a final ERD after normalising. This may be done in Workbench, or in any other software. Hope the above notes are clear and helpful. If you are still not too confident with normalisation, please make sure to attend some PASS to do some more practice. For any further questions, please email your teacher.

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