as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
identify the appropriate data type for a phone number.
user
the appropriate data type for a phone number is string. it is better to store phone numbers as strings rather than integers because phone numbers often contain special characters such as parentheses, dashes, and spaces, which integers cannot represent.
assistant