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CompTIA DataSys+ Exam (DS0-001) - CompTIA Exam Questions

Last updated on June 20, 2026

97% Exam Compliance
80 Total Questions
1
Question
A business analyst is using a client table and an invoice table to create a database view that shows clients who have not made purchases yet. Which of the following joins is most appropriate for the analyst to use to create this database view?
Options
A INNER JOIN ON Client.Key = Invoice.Key
B LEFT JOIN ON Client.Key = Invoice.Key WHERE BY Invoice.Key IS NOLL
C RIGHT JOIN ON Client.Key = Invoice.Key WHERE BY Client.Key IS NOLL
D LEFT JOIN ON Client.Key = Invoice.Key
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2
Question
Which of the following commands is part of DDL?
Options
A UPDATE
B CREATE
C INSERT
D GRANT
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3
Question
Given the following customer table: Which of the following ORM snippets would return the ID, state, and country of all customers with the newest customers appearing first?

Exhibit

A) B)
C) D)

Exhibit

Exhibit

Exhibit
Options
A Option A
B Option B
C Option D
D Option C
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4
Question
A database administrator wants to remove inactive customers from a database. Which of the following statements should the administrator use?

Exhibit

Exhibit

A) B)
C) D)

Exhibit

Exhibit
Options
A Option A
B Option D
C Option C
D Option B
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5
Question
A database is configured to use undo management with temporary undo enabled. An UPDATE is run on the table.

Which of the following describes where the undo is stored?
Options
A In the system global area
B In the undo
C In the temporary
D In the SYSAUX
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