Aug 11, 2022 · Want to use SQL aggregate functions in the WHERE clause? Spoiler: You can’t – use them in HAVING instead. Read the article to find out more.

May 13, 2014 · If you are using an aggregate function in a where clause then it means you want to filter data on the basis of that aggregation function. In my case, it's SUM() . I'll jump to the solution.

An aggregate function is a function that performs a calculation on a set of values, and returns a single value. Aggregate functions are often used with the GROUP 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.

Jul 28, 2014 · You want a having clause: Salesman. You can't put aggregation functions in a where clause. You need to put your condition in HAVING clause. Should that replace the where clause? Find the answer to your question by asking. See similar questions with these tags.

Jan 11, 2011 · Where I want to add additional COUNT() functions to the select list but impose certain where conditions on them. Is this done with a CASE() statement somehow? I tried putting Where clauses inside the select list, and that doesn't seem to be allowed.

Apr 15, 2025 · Commonly used aggregate functions include COUNT(), SUM(), AVG(), MIN(), and MAX(). In this article, we will explain the most commonly used SQL aggregate functions, their syntax, practical examples, and how to make the best use of them in your queries

Mar 19, 2024 · SQL provides a set of functions that allow you to include totals, averages, and counts in your reports and to extract the minimum and maximum value of any column of data. In this Cheat Sheet, we’ll demonstrate the following SQL aggregate functions: SUM() – Returns the total of all values. AVG() – Returns the mean average of all values.

The following functions are called SQL aggregate functions, because their semantics are similar to those in standard SQL: they work in conjunction with grouping and they aggregate values across the rows of a group. ... Example 6-21 Aggregate Function - Fetch the age and average income of users from the User data table. CREATE INDEX idx11 ON ...

Mar 31, 2025 · Understanding SQL aggregate function syntax . Despite minor variations, aggregate functions in SQL generally follow the same structure. SELECT AGGREGATE_FUNCTION(column_name) FROM table_name WHERE condition; COUNT(*) counts all rows, while COUNT(column_name) counts non-null values. MIN() and MAX() apply to numeric, date, or text columns.

Sep 10, 2018 · In this section i will give you SQL aggregate functions with its explanation. I will try to give you the different kind of real industry examples of SQL Aggregate functions. Aggregate functions are functions which has multiple inputs but it gives the aggregated result for multiple rows of the table.