Online Access Free CompTIA.DA0-001.v2023-02-01.q45 Practice Test (Page 3)

Which one of the following is a common data warehouse schema?

A.Snowflake.

B.Square.

C.Spiral.

D.Sphere.

You should always choose the analytics tool that is most appropriate for any given situation, even if that means acquiring a new tool.

A.True.

B.False.

You have two databases tables that you would like to join together using a foreign key relationship.
What term best describes this action?

A.Blending.

B.Appending.

C.Mixing.

D.Merging.

Which of the following statistical methods requires two or more categorical variables?

A.Chi-squared test

B.Simple linear regression

C.Two-sample t-test

D.Z-test

Which of the following is a characteristic of a relational database?

A.It has undefined fields.

B.It utilizes key-value pairs.

C.It uses minimal memory.

D.It is structured in nature.

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