DataBase CH2 Flashcards
1
Q
Represt what the database keeps track of
A
Entities
2
Q
depict how many instances of one entity can be associated with another
A
Cardinality Constraints
3
Q
The relationship between a weak entity and its owner is an ..
A
Identifying Relationship
4
Q
What is a partial key?
A
Attribute of a weak entity that combined with the unique attribute of the owner entity
5
Q
A 1 to Many Relationship must have…?
A
A partial key
6
Q
Uses Singular nouns ..
A
Entity and Attributes
7
Q
What’s a candidate key
A
Multiple Unique Attribute
