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.

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 …

Feb 3, 2026 · We can add multiple conditions in the CASE statement by using multiple WHEN clauses. Query: WHEN Age> 22 THEN 'The Age is greater than 22' WHEN Age = 21 THEN 'The Age is 21'

Apr 20, 2021 · This SQL Tutorial will teach you when and how you can use CASE in T-SQL statements. The CASE expression is used to build IF … THEN … ELSE statements into your Microsoft SQL …

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 …

2 days ago · Master the SQL CASE statement to add conditional logic and custom categorization to your queries. Learn both simple and searched CASE expressions with practical examples.

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 …

Here, the SQL command checks each row with the given case. The result set contains: Let's take a look at another example where we want to provide a 10% discount on each order for a Christmas sale if …

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 …