Discussion
The condition in a WHERE clause can refer to only one value.
Answer: B
Correct answer: False
A WHERE condition can refer to as many values as needed. IN takes a list, BETWEEN takes two bounds, and AND and OR combine any number of conditions across any number of columns.
A condition may also refer to values it does not name, through a subquery: WHERE id IN (SELECT id FROM other) tests against a whole set computed at run time. The single-value comparison is merely the simplest case, not the limit of the clause.
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