SQL Scalar Functions - Complete Beginner Tutorial
Quick Answer
SQL scalar functions operate on a single value and return a single value. They are used to manipulate data such as strings, numbers, and dates within SQL queries, enabling more dynamic and powerful data retrieval and transformation.
Learning Objectives
- Understand what scalar functions are in SQL and how they differ from aggregate functions.
- Learn common types of scalar functions including string, numeric, and date functions.
- Apply scalar functions in SQL queries to manipulate and transform data effectively.
Introduction to SQL Scalar Functions
SQL scalar functions are built-in functions that take one input value and return a single output value.
They help you manipulate and transform data directly within your SQL queries, making your data retrieval more flexible and powerful.
Transform data one value at a time with SQL scalar functions.





