expression IN (value[,...])
Description: Returns 1 if expression is any of the values in the list of one or more values; 0 otherwise.
The comparison is done according to the datatype of expression. If a case-sensitive expression, the comparison is done in a case-sensitive way.
Examples:
5 IN (43, 5, 12) returns 1.
'a' IN ('A', 'B', 'C') returns 1.
BINARY 'a' IN ('A', 'B', 'C') returns 0.
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