This advanced module, in contrast, deals with implementation aspects of relational systems as well as to the internal structure and performance issues related to DBMS and tests the candidates‟ knowledge of the current enhancements to relational database systems, object oriented database,datamining, data warehousing etc. These introductory units tend to concentrate on the use of relational database systems. 10.5 Discuss the main approaches for managing the design of a database system that has multiple user views. Units introducing database concepts are now an accepted part of most computer science courses. This chapter discusses the topic of data security and controls, primarily in the context of Database Management Systems DBMSs. User view: defines what is required of a database system from the perspective of a particular job role (such as Manager or Supervisor) or enterprise application area (such as marketing, personnel, or stock control) (See Section 10.4.1). Database management systems are standard tools that enable the storage and retrieval of data within modern information systems.
