database management ch 3 pratice quiz

• The crow's foot symbols for 0 or 1

• The crow's foot symbols for 0 and many only

• The crow's foot symbols for 0 only

• The crow's foot symbols for many or 0

• The crow's foot symbols for for many or 1

• This statement could be true based on the ERD

• This statement can not be true based on the ERD

• This statement could be true based on the ERD

• This statement can not be true based on the ERD

• This statement could be true based on the ERD

• This statement can not be true based on the ERD

• This statement could be true based on the ERD

• This statement can not be true based on the ERD

• This statement could be true based on the ERD

• This statement can not be true based on the ERD

In a one to one binary relationship what does the one to one refer to?

• The Maximum cardinalities of the entities involved in the relation

• The degree of the relationship

• The he Maximum cardinality of the parent and the minimum cardinality of the child realtionship

• The minimum cardinalities of the entities involved in the relation

Which of the followings is the crow's foot symbol for an entity?

• A rectangle

• A HORIZONTAL LINE

• A CIRCLE

• a crow's foot

• A vertical line

• 0

• 1

• many

• can't be determined from the ERD

Which entity goes on the left when creating a binary ERD

• There is only one entity so it is automatically on the "left"

• It doesn't matter which entity is on the left

• The entity with the most attributes is listed on the left

• The entities should be listed in alphabetical order. The entity that starts with a letter closet to A in the alphabet is listed on the left.