Return "YES" if the condition is TRUE, or "NO" if the condition is FALSE: The IF () function returns a value if a condition is TRUE, or another value if a condition is FALSE. Required. The value to test. Required. The value to return if condition is TRUE. Required. The value to return if …

2008年9月15日 · The CASE statement is the closest to IF in SQL and is supported on all versions of SQL Server. SELECT CAST( CASE WHEN Obsolete = 'N' or InStock = 'Y' THEN 1 ELSE 0 END AS bit) as Saleable, * FROM Product

Imposes conditions on the execution of a Transact-SQL statement. The Transact-SQL statement that follows an IF keyword and its condition is executed if the condition is satisfied: the Boolean expression returns TRUE. The optional ELSE keyword introduces another Transact-SQL statement that is executed when the IF condition isn't satisfied: the ...

2025年1月2日 · 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 to use IF...ELSE in SQL with detailed syntax explanations, practical examples, and output.

2024年8月21日 · MySQL offers conditional control flow with IF statements, allowing us to execute blocks of SQL code depending on whether a condition is true or false. In this article, We will learn about What is Decision-Making in MySQL with different statements along with examples and …

Summary: in this tutorial, you will learn SQL Server IF...ELSE statement to control the flow of program. The IF...ELSE statement is a control-flow statement that allows you to execute or skip a statement block based on a specified condition.

2022年9月12日 · The IF statement in T-SQL works very much like the IF statement in most modern programming languages. It allows a line of code or a block of code to be run only if certain conditions are met. If the conditions are not met, the code is skipped, and execution moves to later lines of code.

2019年5月20日 · SQL Server provides the capability to execute real-time programming logic using SQL IF Statement. In the following SQL IF Statement, it evaluates the expression, and if the condition is true, then it executes the statement mentioned in IF block otherwise statements within ELSE clause is executed.

2024年5月26日 · In SQL, the IF statement facilitates conditional execution, enhancing the ability to tailor queries based on specific criteria. This tutorial delves into the syntax, examples, and advanced usage of the IF statement, demonstrating its versatility in SELECT, UPDATE, and INSERT INTO statements.

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 evaluates to TRUE or FALSE, different sets of SQL commands are executed.