The only group function that includes NULL values is the NVL function._________________________
Correct Answer:
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Q33: When the SELECT statement includes both WHERE
Q34: The COUNT(*)function can be used to count
Q35: The TOTAL function is used to calculate
Q36: The optional DISTINCT keyword instructs Oracle12c to
Q37: The AVG function only includes non-NULL values
Q39: The COUNT function is used to total
Q40: Single-row functions return one result per group
Q41: Functions that return one result per group
Q42: The VAR function is used to determine
Q43: When a SELECT statement includes WHERE,HAVING,and GROUP
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