COUNT

Returns the number of rows matching the query criteria.

SELECT COUNT(*) FROM Prospects WHERE ProspectAccountId = '703'

COUNT(DISTINCT)

Returns the number of distinct, non-null field values matching the query criteria.

SELECT COUNT(DISTINCT Id) AS DistinctValues FROM Prospects WHERE ProspectAccountId = '703'

AVG

Returns the average of the column values.

SELECT Email, AVG(AnnualRevenue) FROM Prospects WHERE ProspectAccountId = '703'  GROUP BY Email

MIN

Returns the minimum column value.

SELECT MIN(AnnualRevenue), Email FROM Prospects WHERE ProspectAccountId = '703' GROUP BY Email

MAX

Returns the maximum column value.

SELECT Email, MAX(AnnualRevenue) FROM Prospects WHERE ProspectAccountId = '703' GROUP BY Email

SUM

Returns the total sum of the column values.

SELECT SUM(AnnualRevenue) FROM Prospects WHERE ProspectAccountId = '703'