COUNT

Returns the number of rows matching the query criteria.

SELECT COUNT(*) FROM [DemoDB].[PUBLIC].Products WHERE ProductName = 'Konbu'

COUNT(DISTINCT)

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

SELECT COUNT(DISTINCT Id) AS DistinctValues FROM [DemoDB].[PUBLIC].Products WHERE ProductName = 'Konbu'

AVG

Returns the average of the column values.

SELECT ProductName, AVG(Price) FROM [DemoDB].[PUBLIC].Products WHERE ProductName = 'Konbu'  GROUP BY ProductName

MIN

Returns the minimum column value.

SELECT MIN(Price), ProductName FROM [DemoDB].[PUBLIC].Products WHERE ProductName = 'Konbu' GROUP BY ProductName

MAX

Returns the maximum column value.

SELECT ProductName, MAX(Price) FROM [DemoDB].[PUBLIC].Products WHERE ProductName = 'Konbu' GROUP BY ProductName

SUM

Returns the total sum of the column values.

SELECT SUM(Price) FROM [DemoDB].[PUBLIC].Products WHERE ProductName = 'Konbu'