The CASE expression goes through conditions and returns a value when the first condition is met (like an if-then-else statement). So, once a condition is true, it will stop reading and return the result.

Learn how to use the SQL `CASE` statement to implement conditional logic efficiently. Explore its syntax, use cases, best practices, and performance considerations.

Dec 10, 2024 · In this article, we'll learn the SQL CASE statement in detail, with clear examples and use cases that show how to leverage this feature to improve your SQL queries.

Oct 7, 2025 · In this guide, we break down how to use the SQL CASE WHEN statement with multiple conditions across platforms like MySQL, SQL Server, Oracle, and PostgreSQL. By the end, you’ll …

This tutorial shows you how to use two forms of SQL CASE expressions including simple CASE and searched CASE expressions.

Nov 18, 2025 · CASE can be used in any statement or clause that allows a valid expression. For example, you can use CASE in statements such as SELECT, UPDATE, DELETE and SET, and in …

Nov 29, 2024 · CASE statements are a way to add if-then logic to SQL SELECT queries. They test conditions and return different values based on the results. This makes queries more flexible and …

Jul 14, 2025 · In this quick guide, you’ll explore how to use CASE to implement branching logic in your queries. We’ll cover its two forms, show real-world use cases, and explain where and when to use it …

Jun 9, 2023 · In SQL, CASE statement is used to perform different actions or return different values based on the specified conditions. It is very similar to the 'if-else' conditional structure.

In this syntax, the CASE statement evaluates each WHEN condition in order, returning the corresponding result when a condition is true. If none of the conditions are true, the statement …