step one. Hence of your own pursuing the carry out better become represented because of the an arc? Pupil (senior, male) Pupil (Amount A student, Average Scholar) Pupil (graduating, female) Scholar ( University, Tech University) (*)
dos. Arcs is actually Mandatory into the Research modeling. All of the ERD’s should have one or more Arc. True or Incorrect? True-false (*)
step 3. To visually portray exclusivity between several relationships from inside the a keen ERD might probably use a keen ________ Arc (*) Dating Trait UID
5. Hence of your own following create finest become depicted by the an arch? Professor (Females, Bob) Parent (Lady, Bob) Birth Target (Home, Office) (*) Scholar (Grade A student, Average Scholar)
A specific problem is generally solved having fun with either a beneficial Recursive Dating or a great Hierarchical Relationship, even in the event not meanwhile
eight. Every single business features limits about what trait beliefs and you can hence matchmaking are permitted. Speaking of also known as: Limits. (*) Relationships Organizations. Characteristics
8. Arcs are widely used to visually represent _________ anywhere between 2 or more dating for the a keen ERD.