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If..Else

 
      DECLARE	    @a  SMALLINT
      DECLARE	    @b  SMALLINT

      SET @a = 9
      SET @b = 4

      IF @a < @b
          SELECT 'A is less than B'
      ELSE IF @a > @b
          SELECT 'A is greater than B'
      ELSE
          SELECT 'Both are Equal'