During the last decades many companies have invested much effort in the area of information technology. Most of the effort went into the optimization of transaction-oriented operational systems. The main goal of these systems is to transport data as quickly and as cost efficiently as possible. Operational systems model and represent the dynamic behavior of processes. In this area much research has been conducted and sophisticated solutions have been developed. Typical operational systems store data about customers and transactions in databases. Database management systems (DBMSs) have been developed to support the processing of transactions on this data efficiently.
Unable to display preview. Download preview PDF.