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 MarketingCampaigns WHERE Id = '17693'

COUNT(DISTINCT)

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

SELECT COUNT(DISTINCT Title) AS DistinctValues FROM MarketingCampaigns WHERE Id = '17693'

AVG

Returns the average of the column values.

SELECT Subject, AVG(SuppressionGroupId) FROM MarketingCampaigns WHERE Id = '17693' GROUP BY Subject

MIN

Returns the minimum column value.

SELECT MIN(SuppressionGroupId), Subject FROM MarketingCampaigns WHERE Id = '17693' GROUP BY Subject

MAX

Returns the maximum column value.

SELECT Subject, MAX(SuppressionGroupId) FROM MarketingCampaigns WHERE Id = '17693' GROUP BY Subject

SUM

Returns the total sum of the column values.

SELECT SUM(SuppressionGroupId) FROM MarketingCampaigns WHERE Id = '17693'

COUNT

Returns the number of rows matching the query criteria.

SELECT COUNT(*) FROM MarketingCampaigns WHERE Id = '17693'

COUNT(DISTINCT)

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

SELECT COUNT(DISTINCT Title) AS DistinctValues FROM MarketingCampaigns WHERE Id = '17693'

AVG

Returns the average of the column values.

SELECT Subject, AVG(SuppressionGroupId) FROM MarketingCampaigns WHERE Id = '17693'  GROUP BY Subject

MIN

Returns the minimum column value.

SELECT MIN(SuppressionGroupId), Subject FROM MarketingCampaigns WHERE Id = '17693' GROUP BY Subject

MAX

Returns the maximum column value.

SELECT Subject, MAX(SuppressionGroupId) FROM MarketingCampaigns WHERE Id = '17693' GROUP BY Subject

SUM

Returns the total sum of the column values.

SELECT SUM(SuppressionGroupId) FROM MarketingCampaigns WHERE Id = '17693'