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Aug 19, 2021 · The SQL AVG() Function With a CASE Statement. You can also use AVG() with a CASE statement. If you're not familiar with CASE, take a look at this article. Example 5. Let’s say you want to display “High” as the category when the average salary is greater than 7,000, and “Low” if it is equal or less. This is what the query looks like:
Jul 27, 2011 · Here's what you need. It's important to cast your int data types to something that handles decimals, or you'll get inaccurate averages: SELECT *, CAST(total_score AS FLOAT) / CAST(total_nodes AS FLOAT) AS average_score. FROM yourtable. ORDER BY CAST(total_score AS FLOAT) / CAST(total_nodes AS FLOAT) DESC. Good luck!
Use AVG () with GROUP BY. Here we use the AVG() function and the GROUP BY clause, to return the average price for each category in the Products table:
We can apply AVG function multiple times in a single SQL statement to calculate the average value of a set of average values. For example, we can use the AVG function to calculate the average salary of employees in each department, and apply the AVG function one more time to calculate the average salary of departments.
Second, the AVG() function calculates the average list price for each group. Third, the HAVING clause removes the brand whose average list price is less than 500. Summary. Use the AVG() function to calculate the average value from a group of values. Use the AVG() function with the GROUP BY clause to calculate the average of each group.
Jun 22, 2022 · SQL AVG with ORDER BY statement. Here we will explain the use case of the AVG function with the ORDER BY statement in the following example. Again, I will continue the above example. I have added the ORDER BY statement in the above example on average price. Here is the SQL statement I executed to get the result in descending order.
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Mar 2, 2020 · SQL Average function usage with GROUP BY statement. GROUP BY statement is used for grouping the data and it mainly uses with aggregate functions. John decided to calculate the average expense of all weeks. To handle John’s issue, we need to use GROUP BY statement and AVG() function at the same time. The following query will calculate the ...
