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Google Data Analytics Professional Certificate • STUDY MODE

Test your knowledge on working with databases

QUESTION 1 OF 3

Fill in the blank: A _____ is an identifier that references a database column in which each value is unique.

A
foreign key
B
relation
C
field
D
primary keyCorrect Answer
QUESTION 2 OF 3

Fill in the blank: A relational database contains a series of _____ that can be connected to form relationships.

A
cells
B
spreadsheets
C
fields
D
tablesCorrect Answer
QUESTION 3 OF 3

A key benefit of working with normalized databases is that they help lower data redundancy. Which of the following is an example of redundancy?

A
The same piece of data being stored in two different placesCorrect Answer
B
A database that forms two or more relationships
C
Team members in different office locations working with the same data
D
A database containing two foreign keys

Ready to test your recall?

Fill in the blank: A _____ is an identifier that references a database column in which each value is unique.

A
foreign key
B
relation
C
field
D
primary key

How confident are you in this answer?