31 Mar 2022 Ignacio L. Bisso How to Use the ROUND() Function in SQL Need to round numeric results in SQL? The ROUND() function is here to do the job. Modern relational databases offer many built-in functions that extend the capabilities of SQL. In this article, we will use practical examples to explain how the ROUND() function works. (Spoiler alert: If you guessed that it rounds a number to a certain decimal place, you’re right! Read on to find out more.) SQL Standard Functions Each SQL database (PostgreSQL, MySQL, Oracle, SQL Server among others) has a set of built-in functions. Read more