WGU Course C170 - Data Management
(Applications)-with 100% verified answers
2022
A salesperson is authorized to sell many products and a product can be sold by many
salespersons.
Which kind of binary relationship does this scenario describe?
A One-to-one
B One-to-many
C One-to-one binary
D Many-to-many
correct answer- D
Which kind of relationship is displayed in this entity-relationship diagram?
A Many-to-many unary
B Many-to-many binary
C One-to-one unary
D One-to-one binary
correct answer- A
Which kind of relationship is displayed in this entity-relationship diagram?
A Binary many-to-many
B Unary one-to-one
C Ternary many-to-many
D Ternary one-to-one
D Unary many-to-many
E Binary one-to-one
correct answer- B
How is this portion of the entity-relationship diagram read, from left to right?
A At least one book was written by an author.
B Only one book was written by one author.
C No books are written by an author.
D One book was written by more than one author.
correct answer- A
Which two examples are attributes?
Choose 2 answer
1 A meeting code
2 A person attending a meeting
3 An employee number
4 A sales meeting
A 1,3
B 2,4
correct answer- A
Which delete rule sets column values in a child table to a missing value when the
matching data is deleted from the parent table
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