Single row functions are also known as:
AScalar functions
BSimilar functions
CSerial functions
DSample functions
Answer & Solution
Correct answer: A. Scalar functions
1. A single row function takes one value and returns one value.
2. That behaviour gives it a second name.
3. Single row functions are also known as scalar functions.
4. So the answer is scalar functions.
_Source: syllabus Computer Science, Ch 9 'Structured Query Language (SQL)'_
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