Nov 18, 2025 · Unless a statement block is used, the IF or ELSE condition can affect the performance of only one Transact-SQL statement. To define a statement block, use the control-of-flow keywords …

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 …

Sep 15, 2008 · Looks like an old question, however if I understood your question and thought correctly, you want to implement the if/else conditional statement in SQL. Both are calculated as a separate …

This tutorial shows you how to use the SQL Server IF...ELSE statement to control the flow of a program.

May 24, 2021 · Basically, when writing SQL code, sometimes you want certain code to execute if a condition is true, and a completely different set of code to execute if the condition is false. That is …

The SQL CASE Expression 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 …

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

May 28, 2024 · The CASE statement acts as a logical IF-THEN-ELSE conditional statement. We can use it to perform conditional branching within the SELECT statement across various SQL databases, …

Nov 30, 2025 · Discover how to use IF statements in SQL to control query logic, manipulate data, and retrieve results efficiently.