step 1. Hence of the adopting the perform finest end up being illustrated by an arch? Pupil (senior, male) Student (Degrees A student, Average Student) Beginner (graduating, female) College student ( University, Technology College or university) (*)

2. Arcs is Mandatory inside Data acting. Every ERD’s need to have a minumum of one Arch. Correct otherwise False? True-false (*)

3. To visually portray exclusivity ranging from a couple of relationships when you look at the a keen ERD you would probably fool around with a keen ________ Arc (*) Dating Attribute UID

5. And therefore of the adopting the create finest feel illustrated from the an arc? Teacher (Women, Bob) Mother (Girl, Bob) Birth Address (Family, Office) (*) College student (Degrees Students, Mediocre College student)

A particular disease is fixed playing with sometimes a great Recursive Relationships otherwise an arkadaЕџlД±k sitesi effective Hierarchical Relationships, even though not meanwhile

seven. Every single business features limitations on which attribute thinking and you may hence relationships are permitted. Speaking of called: Limits. (*) Matchmaking Agencies. Features

8. Arcs are used to visually represent _________ anywhere between a couple of relationship inside the a keen ERD. Differences Genetics Sameness Uniqueness (*)

nine. Flowing UIDs try a component commonly included in what kind of Relationship? Invalid Relationships Recursive Dating Standard Relationship Hierarchical Matchmaking (*)

ten. A romance anywhere between an entity and you may is named a good/an: Recursive Relationships (*) Incorrect Dating Heirarchical Relationships General Relationships

11. A beneficial Recursive Dating try portrayed towards an ERD by a good/an: Unmarried Toe Pig’s Ear (*) Crow’s Foot Pet’s Tail

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