The MAX function can only be used with numeric or date columns.
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Q14: The COUNT(*)function is only used to count
Q15: AVG,COUNT,and STDDEV are all considered group functions.
Q16: The MIN function is used to determine
Q17: The only group function that includes NULL
Q18: Group functions return one result per group
Q20: The COUNT function can be used to
Q21: A grouping sets expression can perform multiple
Q22: Pattern matching features available in a SELECT
Q23: The VARIANCE function is used to determine
Q24: If both nonaggregated and aggregated columns are
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