Draw a relational schema for your 3nf relations

Assignment Help Database Management System
Reference no: EM132369672

Assignment

Task

 

 

Subject Outline

 

 

 

 

Meeting

Meeting

Meeting

Meeting

Meeting

User

Rating

User

User

ID

Date

Time

Venue

ID

ID

 

ID

Availability

1

24/1/2019

11:40 am

Library

1

IA

3

KC

Yes

1

24/1/2019

11:40 a

Library

1

DD

4

YA

No

1

24/1/2019

11:40 a

Library

1

KC

2

DD

Yes

2

25/1/2019

10:30 am

Trail St

2

IA

5

IA

Yes

2

25/1/2019

10:30 am

Trail St

2

DD

4

AK

Yes

2

25/1/2019

10:30 am

Trail St

2

KC

2

 

 

2

25/1/2019

10:30 am

Trail St

2

AK

3

 

 

3

26/1/2019

9:00 am

Blessed

3

DD

3

 

 

 

 

 

Bean

 

 

 

 

 

3

26/1/2019

9:00 am

Blessed

3

IA

2

 

 

 

 

 

Bean

 

 

 

 

 

Using above table

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

2. Decompose the relation into a set of 3NF relations

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

NOTE

For guidance on how to normalise database relations from a dependency diagram.

Manually drawing the dependency diagram, or the set of 3NF relations or the relational schema is NOT acceptable.

Reference no: EM132369672

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