COUNT

Returns the number of rows matching the query criteria.

SELECT COUNT(*) FROM Buckets WHERE Name = 'TestBucket'

COUNT(DISTINCT)

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

SELECT COUNT(DISTINCT Name) AS DistinctValues FROM Buckets WHERE Name = 'TestBucket'

AVG

Returns the average of the column values.

SELECT OwnerId, AVG(AnnualRevenue) FROM Buckets WHERE Name = 'TestBucket'  GROUP BY OwnerId

MIN

Returns the minimum column value.

SELECT MIN(AnnualRevenue), OwnerId FROM Buckets WHERE Name = 'TestBucket' GROUP BY OwnerId

MAX

Returns the maximum column value.

SELECT OwnerId, MAX(AnnualRevenue) FROM Buckets WHERE Name = 'TestBucket' GROUP BY OwnerId

SUM

Returns the total sum of the column values.

SELECT SUM(AnnualRevenue) FROM Buckets WHERE Name = 'TestBucket'