Nov 18, 2025 · An aggregate function performs a calculation on a set of values, and returns a single value. Except for COUNT(*), aggregate functions ignore null values. Aggregate …

This tutorial introduces you to the SQL Server aggregate functions and shows you how to use them to calculate aggregates.

Dec 3, 2021 · Learn about the different T-SQL aggregate functions in SQL Server such as count, sum, min, max, avg and more along with examples.

BY clause of the SELECT statement. The GROUP BY clause splits the result-set into groups of values and the aggregate function can be used to return a single value for each group. The …

Nov 19, 2025 · SQL Aggregate Functions allow summarizing large sets of data into meaningful results, making it easier to analyze patterns and trends across many records. They return a …

Discover the most commonly used aggregate functions in SQL Server, including SUM (), COUNT (), AVG (), and more. Learn how each function works with beginner-friendly examples and …

The table below lists all currently known aggregate functions, with a description, and details of the initial value assigned to the internal counters and how those counters are updated as rows are …

Dec 7, 2025 · SQL aggregate functions play a major role in this process. These functions take many rows of data and return one clear result, which helps analysts see patterns, totals, or …

Master SQL aggregate functions that summarize and analyze your data: COUNT, SUM, AVG, MAX, and MIN. This comprehensive tutorial features 15+ hands-on examples with instant …

The SQL Server provides various Aggregate Functions, which allow us to perform aggregations such as calculating the average, sum, minimum, maximum, count, etc. The Aggregate …