Tag: technology

Quizzes (307) Questions (36705)

Questions Related to technology

Multiple choice technology databases

"A student has such attributes as name, address, and gender. A student can also attend a graduate, undergraduate, or elective class that has the following attributes: class name, section name, major, and instructor. Based on the scenario above, which is the composite key in a junction table if many students can attend many classes?

  1. section name, age

  2. name

  3. undergraduate

  4. name, class name

  5. major, gender
Reveal answer Fill a bubble to check yourself
D Correct answer
Full explanation
Multiple choice technology databases

A company has a model consisting of eight entities. The parent entity, "Company," has three child entities: "Employee," "Product," and "Order." The Product entity has a categorization of four entities: "Computer," "Software," "Accessory," and "Clearance." Each entity has only one attribute making up the key attribute. Based on the scenario above, what foreign key appears in the model exactly three times ?

  1. computer_id

  2. product_id

  3. company_id

  4. employee_id

  5. order_id
Reveal answer Fill a bubble to check yourself
C Correct answer
Full explanation