Oracle
1Z0-047 · Question #36
1Z0-047 Question #36: Real Exam Question with Answer & Explanation
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Question
A subquery is called a single-row subquery when
Options
- Athe inner query returns a single value to the main query
- Bthe inner query uses an aggregate function and returns one or more values
- Cthere is only one inner query in the main query and the inner query returns one or more values
- Dthe inner query returns one or more values and the main query returns a single value as output
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