Which statement about the GROUP BY clause is TRUE?

Oracle Database SQL Certified Associate Exam

Question Number 5

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

Oracle Database SQL Certified Associate Exam

Question Number 5

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