Description. In SQL Server, the IF…ELSE statement is used to execute code when a condition is TRUE, or execute different code if the condition evaluates to FALSE.

Can we use if else in SQL?

In MS SQL, IF…ELSE is a type of Conditional statement. Any T-SQL statement can be executed conditionally using IF… ELSE. If the condition evaluates to True, then T-SQL statements followed by IF condition in SQL server will be executed.

How use multiple if else in SQL?

END TRY BEGIN CATCH SELECT ERROR_MESSAGE() AS ‘Message’ RETURN -1 END CATCH END –The above works I then insert this below and these if statement become nested—- IF(@A!= @SA) BEGIN exec Store procedure @FIELD = 15, … more params… END IF(@S!= @SS) BEGIN exec Store procedure @FIELD = 10, … more params…

How does multiple else work?

Answer 514a8bea4a9e0e2522000cf1. You can use multiple else if but each of them must have opening and closing curly braces {} . You can replace if with switch statement which is simpler but only for comparing same variable.

How would you implement if and else in SQL query?

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 is not satisfied: the Boolean expression returns FALSE.

What is the feature in SQL for writing if else statements?

SQL If Else Statement Syntax

This Sql Server if else statement accepts any test condition as the argument. When the test condition or expression in the above structure is true, then True statements will execute. When the condition is false, then False statements will run.

What is the difference between IF and IIf?

The IIF() function is actually a shorthand way for writing a CASE expression.
The Differences.

IF IIF()
What if the expression returns false? The ELSE keyword is optional (i.e. you can choose whether or not to cater for false outcomes). Requires both a true and a false value (i.e. you must cater for false outcomes).

How do I do an if loop in SQL?

The IF ELSE statement

Each IF statement has a condition. If the condition evaluates to TRUE then the statement block in the IF clause is executed. If the condition is FALSE , then the code block in the ELSE clause is executed. Finally, the IF clause checks if the sales amount in 2017 is greater than 10 million.