...
Returns the number of rows matching the query criteria
SELECT COUNT(*) FROM EMPLOYEEEmployee
AVG
Returns the average of rows matching the query criteria
SELECT locationCode, AVG(maxHours) FROM EMPLOYEE Employee GROUP By locationCode
MIN
Returns the minimum number of rows matching the query criteria
SELECT MIN(maxHours) FROM EMPLOYEEEmployee
MAX
Returns the maximum number of rows matching the query criteria
SELECT MAX(maxHours) FROM EMPLOYEEEmployee
SUM
Returns the total sum of rows matching the query criteria
SELECT SUM(maxHours) FROM EMPLOYEEEmployee