SQL Server Aggregate Functions

SQL Server aggregate functions are mainly used for data statistics, such as counting, summing, averaging, etc. When combined with grouping operations, aggregate functions allow you to analyze data across multiple dimensions.

  1. AVG

    In SQL Server, the AVG() function is an aggregate function used to calculate the average value of all values in a specified column.

  2. COUNT

    In SQL Server, the COUNT() function is an aggregate function used to count the number of rows in a specified column or expression.

  3. MAX

    In SQL Server, the MAX() function is an aggregate function used to calculate the maximum value in a specified column or expression.

  4. MIN

    In SQL Server, the MIN() function is an aggregate function used to calculate the minimum value in a specified column or expression.

  5. SUM

    The SUM() function is an aggregate function in SQL that calculates the sum of specified column values.