Sql aggregate functions

Using the SQL aggregate functions in Access, you can determine various statistics on sets of values. You can use these functions in a query and aggregate expressions in the SQL property of a QueryDef object or when creating a Recordset object based on an SQL query.

Avg Function

Count Function

First, Last Functions

Min, Max Functions

StDev, StDevP Functions

Sum Function

Var, VarP Functions

Calculating Fields in SQL Functions