IF...ELSE (Transact-SQL) - SQL Server | Microsoft Learn
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 …
How to Use If Else in SQL Select Statement - GeeksforGeeks
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 …
How do I perform an IF...THEN in an SQL SELECT?
Sep 15, 2008 · Both IIF() and CASE resolve as expressions within a SQL statement and can only be used in well-defined places. The CASE expression cannot be used to control the flow of execution of …
SQL Server IF ELSE Statement By Examples
This tutorial shows you how to use the SQL Server IF...ELSE statement to control the flow of a program.
The IF…ELSE IF….ELSE Statement: Everything You Should Know
May 24, 2021 · The IF...ELSE IF...ELSE decision structure is one of the most helpful SQL Server Decision Structures you should know.
How to Execute an IF…THEN Logic in an SQL SELECT Statement
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, …
IF ELSE Statement – SQL Tutorial
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 …
SQL SELECT IF...THEN: How to Implement Conditional Logic with CASE ...
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 …
SQL IF Statement for Conditional Logic - SQL Server Tips
Sep 12, 2022 · Like many other programming languages, T-SQL can pair the IF keyword with ELSE IF and ELSE to more easily check multiple mutually exclusive scenarios. When combined, the first …
IF ELSE Statement in SQL Server - TutorialsTeacher.com
The IF ELSE statement controls the flow of execution in SQL Server. It can be used in stored-procedures, functions, triggers, etc. to execute the SQL statements based on the specified …