Oracle Database SQL Certified Associate Exam

Question 1

Which GROUP BY function returns the total sum of a numeric column?

COUNT() AVG() SUM() MAX()

Correct Answer:

SUM()

Question 2

What happens to NULL values when using the AVG() function in Oracle SQL?

They are counted as zero They are ignored entirely They cause an error They are replaced with 1

Correct Answer:

They are ignored entirely

Question 3

Which clause is used to filter the results of a GROUP BY query?

WHERE HAVING FILTER LIMIT

Correct Answer:

HAVING

Question 4

What does the COUNT(*) function return?

Number of non-NULL values in a column Sum of all rows Total number of rows including NULLs Number of distinct values

Correct Answer:

Total number of rows including NULLs

Question 5

Which statement about the GROUP BY clause is TRUE?

Columns in SELECT not in an aggregate must appear in GROUP BY GROUP BY must always be followed by HAVING NULL values cannot appear in a GROUP BY column GROUP BY eliminates duplicate rows without aggregation

Correct Answer:

Columns in SELECT not in an aggregate must appear in GROUP BY

Question 1

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About this Exam

Prepare with the Oracle Database SQL Certified Associate Exam practice quiz. This question bank includes 74 questions covering table, rows, function, column, and returns. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Oracle Database SQL Certified Associate Exam

This practice set contains 74 questions from the matching question bank and focuses on table, rows, function, column, and returns. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Oracle Database SQL Certified Associate Exam

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