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 …

Aug 20, 2020 · In this article, we’ll demonstrate how you can use the GROUP BY clause in practice. We’ve gathered five GROUP BY examples, from easier to more complex ones so you can see data …

We use the GROUP BY clause to group rows based on the value of columns. In this tutorial, you will learn about GROUP BY in SQL with the help of examples.

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 …

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 …

This SQL tutorial explains how to use the SQL GROUP BY clause with syntax and examples. The SQL GROUP BY clause can be used in a SELECT statement to collect data across multiple records and …

Use the GROUP BY clause to retrieve records in one or more groups based on one or more columns of a table. For example, retrieve a group of employees who are in the same department.

Jul 27, 2025 · Explore everything about the Group By clause in SQL Server, including its syntax, pros & cons, best practices, and top 25 interview questions.

For instance, if you want to determine the total number of sales by region or country, use the SQL Server GROUP BY Clause to categorise the Sales table by region or country. Then we can use the …

This clause is especially useful when you want to aggregate data and view results based on unique column values. In this tutorial, we will guide you through the syntax of SQL GROUP BY clause, and …