Brad Gustafson
Quiz by , created more than 1 year ago

Practice for my midterm. Uses Chapters 1-7 from the textbook.

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Brad Gustafson
Created by Brad Gustafson about 5 years ago
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Oracle 12c: SQL Midterm Practice

Question 1 of 5

1

Which of the following represents a row in a table?

Select one of the following:

  • an attribute

  • a characteristic

  • a field

  • a record

Explanation

Question 2 of 5

1

Which of the following defines a relationship in which each occurrence of data in one entityis represented by multiple occurrences of the data in the other entity?

Select one of the following:

  • one-to-one

  • one-to-many

  • many-to-many

  • none of the above

Explanation

Question 3 of 5

1

An entity is represented in an E-R model as a(n)

Select one of the following:

  • arrow

  • crow's foot

  • dashed line

  • none of the above

Explanation

Question 4 of 5

1

Which of the following is not an E-R model relationship?

Select one of the following:

  • some-to-many

  • one-to-one

  • one-to-many

  • many-to-many

Explanation

Question 5 of 5

1

Which of the following symbols represents a many-to-many relationship in an E-R model?

Select one of the following:

  • a straight line

  • dashed line

  • a straight line with a crow’s foot at both ends

  • a straight line with a crow’s foot at one end

Explanation