Think of a database that would be needed at a professional service firm to maintain the contact list of clients or patients at the office of a CPA, attorney or medical doctor. Identify the fields likely to be used in this database. If you were constructing this database, how many spaces would you allow for each field?

Suppose that a large company uses batch processing for recording its inventory purchases. Other than its slow response time, what would be the most significant problem with using a batch processing system for recording inventory purchases