Sql Server If Else

If else can conditionally handle a single t sql statement or block of t sql statements. Else print the number is medium. Most importantly how keywords such as begin end if and else affect the order of execution within your stored procedures.

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Sql If Statement Introduction And Overview

Sql Server If Else Statement T Sql Example

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Sql If Else Statement How To Use Sql Server If Statement

If x 0 begin if x y print x 0 and x y.

Sql server if else. Sql if else flow chart. The sql server else if statement handles multiple statements effectively by executing them sequentially. If the condition is true then it will execute the statements present in that block. Else print x 0 and x y.

Set number 50. If tests can be nested after another if or following an else. It will check for the first condition. After reading this article you will understand the basics of programming a stored procedure using if else statements.

Set the number variable to 5 50 and 500 to test each statement. Sql server allows you to nest an if else statement within inside another if else statement see the following example. Use adventureworks2012 go declare city as varchar 50 select businessentityid firstname lastname city from humanresources vemployee where city case when city is null then renton else city end order by businessentityid output. If the test condition or expression in the above structure is true then true statements will execute.

When this construct is used in a stored procedure it is frequently used to test for the existence of some parameter. Else begin if number 10 print the number is small. An if else construct can be used in batches in stored procedures and in ad hoc queries. Block of statement should start with keyword begin and close with keyword end.

Begin declare x int 10 y int 20. If the condition is false then false statements will run. All the examples for this lesson are based on microsoft sql server management studio and the sample databases adventureworks and wideworldimporters. This sql server if else statement accepts any test condition as the argument.

Else statement can be nested inside another. Using begin and end helps sql server to identify statement block that needs to be executed and separate it from rest of the t sql statements which are not part of if else t sql block. Let us see the flow chart of the sql server if else statement for better. This script is compatible with sql server 2005 and above.

If number 100 print the number is large.