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CompTIA Updated DA0-001 Exam Questions and Answers by wyatt

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CompTIA DA0-001 Exam Overview :

Exam Name: CompTIA Data+ Certification Exam
Exam Code: DA0-001 Dumps
Vendor: CompTIA Certification: CompTIA Data+
Questions: 314 Q&A's Shared By: wyatt
Question 36

Which of the following query optimization techniques involves examining only the data that is needed for a particular task?

Options:

A.

Making a temporary table

B.

Creating a flat file

C.

Indexing documents

D.

Creating an execution plan

Discussion
Question 37

You have two databases tables that you would like to join together using a foreign key relationship.

What term best describes this action?

Options:

A.

Blending.

B.

Appending.

C.

Mixing.

D.

Merging.

Discussion
Question 38

A sales manager wants quarterly sales reports broken down by unit and week. Which of the following data output lists includes the most necessary information?

Options:

A.

Order number. salesperson. date shipped, recipient address, and price

B.

Item name, salesperson. recipient address, shipping cost. and date shipped

C.

Item number, item name, salesperson. date sold. and price

D.

Item name. salesperson. price. shipping cost. and date shipped

Discussion
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Question 39

Jenny wants to study the academic performance of undergraduate sophomores and wants to determine the average grade point average at different points during an academic year.

What best describes the data set she needs?

Options:

A.

Sample.

B.

Observation.

C.

Variable.

D.

Population.

Discussion
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