Nov 18, 2025 · Transact-SQL language reference for IF-ELSE statements to provide control flow.

Sep 15, 2008 · If you need to write just one condition, then iif() is sufficient, however if you want to write multiple iif() conditions within one statement then you will have to use `case' statement as …

May 28, 2024 · We can use either a CASE statement or an IIF () function to implement IF-THEN logic in SQL. In this tutorial, we’ll explore how to implement IF-THEN logic in SQL across various dialects …

Jul 23, 2025 · By using IF...ELSE within SQL statements we can categorize data, apply conditional transformations, and implement business logic directly in our queries. In this article, We will explain …

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.

Sep 12, 2022 · Learn how to build conditional logic when writing T-SQL code using IF, BEGIN, END, ELSE, and ELSEIF logic.

This is most easily accomplished in all versions of SQL Server using the CASE statement, which acts as a logical IF...THEN...ELSE expression and returns various values depending on the result.

Jul 21, 2023 · In this article, you’ll learn the fundamentals and advanced usage of IF-THEN logic in SQL Server. We’ll walk through syntax examples, highlight common pitfalls, and share best practices.

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 …

What is the IF…ELSE Statement? The IF…ELSE statement is a control-flow statement in SQL Server that enables conditional execution of T-SQL code blocks. Depending on whether a condition …