input: from typing import Tuple
  
  def store_form_data(name: str, email: str, phone: str) -> bool:
      """ Stores the provided form data (name, email, and phone) into a database.
      Returns True if the data is successfully stored, otherwise False.
      
      >>> store_form_data('John Doe', 'john@example.com', '1234567890')
      True
      >>> store_form_data('', 'invalid@example.com', '1111111111')
      False
      """
  
output:     if not name or not email or not phone:
          return False
      
      # Simulate storing data in a database
      database = []
      database.append((name, email, phone))
      
      return True