Order By Descending SQL

Galaxy Glossary

How do you sort data in a SQL table in descending order?

The ORDER BY clause in SQL sorts the result set of a query in ascending or descending order based on one or more columns. Descending order sorts the results from largest to smallest values.

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Description

Table of Contents

The `ORDER BY` clause is a fundamental part of SQL queries. It allows you to arrange the output of your queries in a specific order. This is crucial for presenting data in a meaningful way, such as listing customers by their last names in alphabetical order or displaying products by price from highest to lowest. The `ORDER BY` clause can be used with any SQL query, including `SELECT`, `INSERT`, `UPDATE`, and `DELETE` statements. When sorting, you specify the column(s) you want to order by, and you can choose to sort in ascending or descending order. Descending order is useful for identifying the largest values in a dataset, like finding the top-selling products or the highest-paid employees. It's important to note that `ORDER BY` operates on the result set after all other operations in the query have been performed.

Why Order By Descending SQL is important

Ordering data in SQL is essential for data analysis and reporting. It allows you to easily identify trends, patterns, and outliers in your data. This is critical for tasks like finding the top performers, identifying the most popular products, or understanding customer behavior.

Order By Descending SQL Example Usage


SELECT customer_id, customer_name, order_total
FROM customers
ORDER BY order_total DESC;

Order By Descending SQL Syntax



Common Mistakes

Frequently Asked Questions (FAQs)

When should I use DESC with the SQL ORDER BY clause?

Use the DESC keyword when you need to surface the largest or most recent values first—e.g., listing the highest-priced products, top-selling items, or the latest transaction dates. DESC tells the database to sort the chosen column in descending order, the opposite of the default ASC (ascending) order.

Does the ORDER BY clause run before or after other SQL operations?

ORDER BY is applied last, after the query’s WHERE filters, JOINs, GROUP BY aggregations, and even HAVING conditions have already produced a result set. It never changes the data itself; it simply rearranges the final rows so they’re returned in the order you specify.

How can Galaxy's AI copilot make writing ORDER BY queries faster?

Inside Galaxy’s modern SQL editor, the context-aware AI copilot autocompletes column names, suggests ASC or DESC keywords based on your intent, and can even refactor existing queries when the data model changes. That means fewer typos, faster iteration, and guaranteed consistency when your team shares endorsed ORDER BY queries across a Galaxy Collection.

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