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 …

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. The CASE …

Beginner-friendly guide to SQL CASE WHEN: learn simple and searched CASE, nested CASE, using CASE in SELECT, UPDATE and ORDER BY, plus practical examples.

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

Nov 18, 2025 · SQL Server allows for only 10 levels of nesting in CASE expressions. The CASE expression can't be used to control the flow of execution of Transact-SQL statements, …

The SQL CASE statement evaluates a list of conditions and adds a column with values based on the condition. For example, WHEN amount >= 10000 THEN 'Large Order' WHEN amount < …

2 days ago · TLDR: SQL CASE WHEN lets you add conditional logic into your queries. It’s similar to “if-else” in traditional programming. You can customize results based on rules you define. …

1 day ago · 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 …

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 …