COUNT

Returns the number of rows matching the query criteria.

SELECT COUNT(*) FROM [CData].[Administrators].Users WHERE Id = '39ef9b6f-5973-4701-bd19-7950d4b7d6e0'

COUNT(DISTINCT)

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

SELECT COUNT(DISTINCT Username) AS DistinctValues FROM [CData].[Administrators].Users WHERE Id = '39ef9b6f-5973-4701-bd19-7950d4b7d6e0'

AVG

Returns the average of the column values.

SELECT Email, AVG(TotalLoginsCustomColumn) FROM [CData].[Administrators].Users WHERE Id = '39ef9b6f-5973-4701-bd19-7950d4b7d6e0'  GROUP BY Email

MIN

Returns the minimum column value.

SELECT MIN(TotalLoginsCustomColumn), Email FROM [CData].[Administrators].Users WHERE Id = '39ef9b6f-5973-4701-bd19-7950d4b7d6e0' GROUP BY Email

MAX

Returns the maximum column value.

SELECT Email, MAX(TotalLoginsCustomColumn) FROM [CData].[Administrators].Users WHERE Id = '39ef9b6f-5973-4701-bd19-7950d4b7d6e0' GROUP BY Email

SUM

Returns the total sum of the column values.

SELECT SUM(TotalLoginsCustomColumn) FROM [CData].[Administrators].Users WHERE Id = '39ef9b6f-5973-4701-bd19-7950d4b7d6e0'