Function Points (FPA) Interview Questions and Answers (1) - Page 1

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What is the output of below sql query? declare @str varchar(10); set @str = 'Hello'; select ISNULL(@str,'Hello World');

Output would be Hello.

As IsNull checks 1st arguments,if the first argument value is null then returns second argument values.

In above query, @str is assigned a Hello,so ISNull will omit the second parameter value and return 1st parameter value that is Hello.

Function Points (FPA) Interview Questions and Answers (1) - Page 1

What is the output of below sql query? declare @str varchar(10); set @str = 'Hello'; select ISNULL(@str,'Hello World');

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