PostgreSQL LEAST() Function

Syntax

LEAST(number)

Basic Example

SELECT LEAST(price) AS result
FROM products;

When to use it

Use LEAST when you need a numeric operation in PostgreSQL. This page is designed as a quick reference for developers, analysts, and students comparing SQL dialects.

Common mistake

A common mistake is copying syntax from another SQL dialect. Always verify function name, argument order, and formatting tokens for PostgreSQL.

Related SQL Functions

• MySQL ROUND() Function
• MySQL CEIL() Function
• MySQL FLOOR() Function
• MySQL ABS() Function
• MySQL MOD() Function
• MySQL POWER() Function

FAQ

Is LEAST available in every SQL database?

Not always. Function names and argument behavior can differ across SQL engines.

Can I use this in SELECT queries?

Yes. Most SQL functions are commonly used in SELECT and often in WHERE, ORDER BY, and GROUP BY depending on the function.