Relational Database Design - Now it's your turn

Task 1

Here is a record card from a vet's surgery

1    Write down the 2 entities

2    Write down next to the entities you have chosen which fields belong with each entity

3    Choose a unique key field for each entity

Write your answers in the table below

Entity Name    
Field Name 1    
Field Name 2    
Field Name 3    
Field Name 4    
Field Name 5    
Unique Key Field    
Common Key    

Task 2

Here is a record card from an art dealer

Write down the 2 entities

1    Write down next to the entities you have chosen which fields belong with each entity

2    Choose a unique key field for each entity

Write your answers in the table below

Entity Name    
Field Name 1    
Field Name 2    
Field Name 3    
Field Name 4    
Field Name 5    
Unique Key Field    
Common Key    

Task 3

This is a record card from the North West Institute of Plumbing

Write down the 2 entities

1    Write down next to the entities you have chosen which fields belong with each entity

2    Choose a unique key field for each entity

Write your answers in the table below

Entity Name    
Field Name 1    
Field Name 2    
Field Name 3    
Field Name 4    
Field Name 5    
Unique Key Field    
Common Key    

Task 4

Here are 2 record cards that are used by HITEK Computer Services

 

Write down the 3 entities

1    Write down next to the entities you have chosen which fields belong with each entity

2    Choose a unique key field for each entity

Write your answers in the table below

Entity Name      
Field Name 1      
Field Name 2      
Field Name 3      
Field Name 4      
Field Name 5      
Unique Key Field      
Common Key      

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