The GROUP BY statement groups rows that have the same values into summary rows, like "find the number of customers in each country". The GROUP BY statement is often used with aggregate …

The GROUP BY clause groups the rows into groups based on the values of one or more columns. Use an aggregate function with the GROUP BY clause to calculate the summarized value for each group.

Nov 17, 2025 · The SQL GROUP BY clause is used to arrange identical data into groups based on one or more columns. It is commonly used with aggregate functions like COUNT (), SUM (), AVG (), MAX …

Apr 18, 2024 · GROUP BY is a clause in SQL that arranges data with the same values into groups. Grouping is done by column (s), where all the rows with the same value in that column belong to one …

Aug 21, 2025 · Learn how to use SQL GROUP BY with clear examples. Understand SUM, COUNT, AVG, and HAVING step by step. Beginner-friendly and easy to follow.

Dec 4, 2024 · That is, you need to aggregate the amount spent, grouped by different customer segments. This tutorial covers the SQL GROUP BY statement, as well as the HAVING statement …

Nov 18, 2025 · A SELECT statement clause that divides the query result into groups of rows, usually by performing one or more aggregations on each group. The SELECT statement returns one row per …

Jul 27, 2025 · It is used primarily with aggregate functions such as COUNT (), SUM (), AVG (), MAX (), and MIN (), where results are structured at the group level instead of the row-level detail. The Group …

⭐ What Does SQL GROUP BY Do? The GROUP BY clause allows you to group rows that have the same value in one or more columns so you can apply aggregate functions to each group. It groups …

The GROUP BY clause is a powerful feature of the Structured Query Language (SQL) that allows you to group the result set of a query by one or more columns. This clause is commonly used in …