Unit 5 Key Points

Question 1

Name the four categories that form useful sources for relevant objects?

Answer 1

Tangible objects
Roles
Business transactions
Organisational units

Question 2

What are example criteria for displaying multiplicities?

Answer 2

1 - exactly one
3..5 - between 3 and five inclusive
1..* - 1 or more
7, 12, 15 - only 7, 12 and 15 - no others
* - the same as 0..*
(nothing) - undefined