Transaction Processing Systems record and store any kind of data regarding all operations performed to carry out daily activities in businesses. The main goal of transaction processing systems is to answer daily questions and to monitor business operations. The questions such as “How much money left in the cash in the evening? How much is the bank due tomorrow? Are there sufficient stocks to meet the order?” are answered thanks to information produced by this kind of information systems. So, managers will be able to follow the developments within the enterprise and the relationship of the business with its environment.