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Question 54 - Professional Cloud Developer discussion

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You have two tables in an ANSI-SQL compliant database with identical columns that you need to quickly combine into a single table, removing duplicate rows from the result set.

What should you do?

A.
Use the JOIN operator in SQL to combine the tables.
Answers
A.
Use the JOIN operator in SQL to combine the tables.
B.
Use nested WITH statements to combine the tables.
Answers
B.
Use nested WITH statements to combine the tables.
C.
Use the UNION operator in SQL to combine the tables.
Answers
C.
Use the UNION operator in SQL to combine the tables.
D.
Use the UNION ALL operator in SQL to combine the tables.
Answers
D.
Use the UNION ALL operator in SQL to combine the tables.
Suggested answer: C
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asked 18/09/2024
Javier Escobar
34 questions
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