The SQL HAVING Clause. The HAVING clause was added to SQL because the WHERE keyword cannot be used with aggregate functions. HAVING Syntax

Jan 30, 2025 · The HAVING clause in SQL is used to filter query results based on aggregate functions. Unlike the WHERE clause, which filters individual rows before grouping, the HAVING clause filters groups of data after aggregation.

In this tutorial, you'll learn how to use the SQL HAVING clause to filter groups based on a condition.

Nov 22, 2024 · Specifies a search condition for a group or an aggregate. HAVING can be used only with the SELECT statement. HAVING is typically used with a GROUP BY clause. When GROUP BY is not used, there is an implicit single, aggregated group. Transact-SQL syntax conventions. Syntax [ HAVING <search condition> ] Arguments

Feb 15, 2024 · In SQL, the HAVING clause is useful for refining query results by filtering data groups based on specific conditions. In this article, we'll go over some beginner-friendly exercises with the HAVING clause to get you started; for a more in-depth explanation, see our article The SQL HAVING Clause Explained .

Mar 3, 2024 · Diving deeper into how to use the HAVING clause in SQL, it’s important to grasp its purpose and functionality. This clause is essential for filtering aggregated data, a process that can’t be handled by the WHERE clause due to its pre-aggregation operation. I’ll break down the syntax, provide illustrations, and discuss common pitfalls to avoid.

Jul 31, 2020 · What Is the SQL HAVING Clause? In SQL, the HAVING clause: Filters data based on defined criteria. Is commonly used in creating reports. Is only used in SELECT. Works with GROUP BY. If you know the GROUP BY clause, you know that it is used to aggregate values: it puts records into groups to calculate aggregation values (statistics) for them ...

This SQL tutorial explains how to use the SQL HAVING clause with syntax and examples. The SQL HAVING clause is used in combination with the GROUP BY clause to restrict the groups of returned rows to only those whose the condition is TRUE.

The SQL HAVING clause is used to filter the results of an aggregated query. It works with aggregate functions like SUM, COUNT, AVG, MIN, and MAX, allowing you to set conditions on the result of these functions.

Oct 10, 2024 · WHERE and HAVING are two essential clauses in SQL. Whether you are writing super-advanced queries or very simple ones, you will encounter the need to use both. You can think of WHERE and HAVING as siblings. They both serve a similar function (filtering), and they often appear together.