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 …

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.

Apr 20, 2021 · This tip will teach you when and how you can use CASE in T-SQL statements with several code examples to give you a better understanding.

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 …

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

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 23, 2025 · The CASE expression is used to show another column which can be evaluated based on the conditions depending on the existing columns. The CASE expression consists of WHEN and …

Summary: in this tutorial, you will learn how to use the SQL CASE expression to add if-else logic to the SQL statements. The CASE expression allows you to add if-else logic to queries, making them more …

Dec 9, 2025 · While SQL lacks a native IF...THEN statement in the SELECT clause (unlike some programming languages), the CASE statement fills this gap, enabling powerful conditional logic …

This SQL Server tutorial explains how to use the SQL Server (Transact-SQL) CASE statement with syntax and examples. In SQL Server (Transact-SQL), the CASE statement has the functionality of an …