text: /* Descrição:
  
  Given the following table 'decimals':
  
  ** decimals table schema **
  
  id
  number1
  number2
  Return a table with one column (towardzero) where the values are the result of number1 + number2 truncated towards zero.
  */
  
  select case
           when (number1+number2) > 0 then floor(number1+number2)
           when (number1+number2) < 0 then ceil(number1+number2)
         end as towardzero
  from decimals