COUNT

Returns the number of rows matching the query criteria.

SELECT COUNT(*) FROM Resources WHERE Type = 'FILE'

COUNT(DISTINCT)

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

SELECT COUNT(DISTINCT FullPath) AS DistinctValues FROM Resources WHERE Type = 'FILE'

AVG

Returns the average of the column values.

SELECT Permission, AVG(AnnualRevenue) FROM Resources WHERE Type = 'FILE'  GROUP BY Permission

MIN

Returns the minimum column value.

SELECT MIN(AnnualRevenue), Permission FROM Resources WHERE Type = 'FILE' GROUP BY Permission

MAX

Returns the maximum column value.

SELECT Permission, MAX(AnnualRevenue) FROM Resources WHERE Type = 'FILE' GROUP BY Permission

SUM

Returns the total sum of the column values.

SELECT SUM(AnnualRevenue) FROM Resources WHERE Type = 'FILE'