Aggregate Functions
COUNT
Returns the number of rows matching the query criteria.
SELECT COUNT(*) FROM NorthwindOData WHERE Email = 'ana.trujilo@northwind.org'
COUNT(DISTINCT)
Returns the number of distinct, non-null field values matching the query criteria.
SELECT COUNT(DISTINCT Email) AS DistinctValues FROM NorthwindOData WHERE Email = 'ana.trujilo@northwind.org'
AVG
Returns the average of the column values.
SELECT Username, AVG(AnnualRevenue) FROM NorthwindOData WHERE Email = 'ana.trujilo@northwind.org' GROUP BY Username
MIN
Returns the minimum column value.
SELECT MIN(AnnualRevenue), Username FROM NorthwindOData WHERE Email = 'ana.trujilo@northwind.org' GROUP BY Username
MAX
Returns the maximum column value.
SELECT Username, MAX(AnnualRevenue) FROM NorthwindOData WHERE Email = 'ana.trujilo@northwind.org' GROUP BY Username
SUM
Returns the total sum of the column values.
SELECT SUM(AnnualRevenue) FROM NorthwindOData WHERE Email = 'ana.trujilo@northwind.org'