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.

Nov 18, 2025 · Within a SELECT statement, a simple CASE expression allows for only an equality check; no other comparisons are made. The following example uses the CASE expression to change …

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.

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

Oct 7, 2025 · By the end, you’ll know how to write and optimize case when in sql logic—including how to use a case statement with multiple conditions effectively in real-world queries.

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.

The SQL CASE statement is used to check conditions and perform tasks on each row while selecting data. In this tutorial, you will learn about the SQL CASE statement with the help of examples.

Aug 20, 2024 · The CASE statement in SQL is a conditional statement that allows us to specify conditions and return different values based on whether those conditions are met.

Jun 28, 2023 · When working with SQL case statements, sometimes nesting case expressions becomes necessary for more complex query conditions. In this section, we’ll discuss how to nest SQL case …

Aug 7, 2008 · Search conditions for case expressions are similar to the search conditions in a where clause. Search conditions are detailed in the Transact-SQL User’s Guide.