text: const insertUser = "INSERT INTO remindog.dog(\
  	    id_user, username, serving, service, reminder_aux)\
          VALUES ($1, $2, $3, $4, null);"
          
  const selectUser = "SELECT id_user, username, serving, service, reminder_aux\
      FROM remindog.dog\
      WHERE id_user = $1;"
  
  const updateUser = "UPDATE remindog.dog\
      SET serving = $1, service = $2, reminder_aux = $3\
      WHERE id_user = $4;"
  
  module.exports = {
      insertUser,
      selectUser,
      updateUser,
  }