What is the output of below query?

declare @value varchar(20) = 'vish';
select coalesce(@value,'') as a

 Posted by vishalneeraj-24503 on 1/14/2014 | Category: Sql Server Interview questions | Views: 11224 | Points: 40
Select from following answers:
  1. vish
  2. null
  3. command executed successfully
  4. none of these.
  5. All Above

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