Variables scope which are defined within a while block in stored procedures - SQl Server

Question

I\'ve come across a interesting scenario (at least for me) in a stored procedure. Would like to have experts opinion and thoughts on it.

DECLARE @loopcounter         


        

Answer 1

 DECLARE @loopcounter INT
 DECLARE @insidevalue int
   SET @loopcounter=10
       WHILE @loopcounter > 0
        BEGIN
          IF (@loopcounter%2 = 0)
          BEGIN
          SET @insidevalue = @loopcounter
          PRINT 'Value_' + CAST(@insidevalue AS NVARCHAR) + '_'
          END
    ELSE
      PRINT 'Value_'+' '+'_'
      SET @loopcounter = @loopcounter - 1
   END