Aggregate Functions
Examples of Aggregate Functions
Below are several examples of SQL aggregate functions. You can use these with a GROUP BY clause to aggregate rows based on the specified GROUP BY criterion. This can be a reporting tool.
COUNT
Returns the number of rows matching the query criteria.
SELECT COUNT(*) FROM [My Contacts] WHERE Id = 'c7782206569106794554'
COUNT(DISTINCT)
Returns the number of distinct, non-null field values matching the query criteria.
SELECT COUNT(DISTINCT GivenName) AS DistinctValues FROM [My Contacts] WHERE Id = 'c7782206569106794554'
AVG
Returns the average of the column values.
SELECT HomeEmailAddresses, AVG(AnnualRevenue) FROM [My Contacts] WHERE Id = 'c7782206569106794554' GROUP BY HomeEmailAddresses
MIN
Returns the minimum column value.
SELECT MIN(AnnualRevenue), HomeEmailAddresses FROM [My Contacts] WHERE Id = 'c7782206569106794554' GROUP BY HomeEmailAddresses
MAX
Returns the maximum column value.
SELECT HomeEmailAddresses, MAX(AnnualRevenue) FROM [My Contacts] WHERE Id = 'c7782206569106794554' GROUP BY HomeEmailAddresses
SUM
Returns the total sum of the column values.
SELECT SUM(AnnualRevenue) FROM [My Contacts] WHERE Id = 'c7782206569106794554'
COUNT
Returns the number of rows matching the query criteria.
SELECT COUNT(*) FROM [My Contacts] WHERE Id = 'c7782206569106794554'
COUNT(DISTINCT)
Returns the number of distinct, non-null field values matching the query criteria.
SELECT COUNT(DISTINCT GivenName) AS DistinctValues FROM [My Contacts] WHERE Id = 'c7782206569106794554'
AVG
Returns the average of the column values.
SELECT HomeEmailAddresses, AVG(AnnualRevenue) FROM [My Contacts] WHERE Id = 'c7782206569106794554' GROUP BY HomeEmailAddresses
MIN
Returns the minimum column value.
SELECT MIN(AnnualRevenue), HomeEmailAddresses FROM [My Contacts] WHERE Id = 'c7782206569106794554' GROUP BY HomeEmailAddresses
MAX
Returns the maximum column value.
SELECT HomeEmailAddresses, MAX(AnnualRevenue) FROM [My Contacts] WHERE Id = 'c7782206569106794554' GROUP BY HomeEmailAddresses
SUM
Returns the total sum of the column values.
SELECT SUM(AnnualRevenue) FROM [My Contacts] WHERE Id = 'c7782206569106794554'