What is the output of below sql query?

declare @str varchar(50);
select ISNULL(@str,'Hello World');

 Posted by vishalneeraj-24503 on 12/30/2013 | Category: Sql Server Interview questions | Views: 2458 | Points: 40

Output would be Hello World.

As IsNull checks 1st arguments,if it's null then returns second argument values.

And in above query @str has no value means @str has not been assigned any value.

so it will return 2nd argument value that is Hello World

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