The presentation of the similarities and differences between relational modeling of data and the object oriented modeling of data is of great importance both for data base designers and for users. By being well acquainted with the relational model and by noting the similarities and differences...

The author uses a comparative presentation of Relational Database Management Systems (RDMS) and Object Oriental Database Management Systems (OODBMS). The presentation of the two types of systems was made having in view: The evaluation rules of the two types of systems elaborated by E.F. Codd and...

Online analytical processing (OLAP) queries normally incur enormous processing overheads due to the huge size of data warehouses. This results in unacceptable response times. Parallel processing using a cluster of workstations has of late emerged as a practical solution to many compute and data...

Man kennt zwar heute geeignete Methoden, Unstimmigkeiten im Datenbestand zu vermeiden, mit denen man sowohl kleine als auch große Datenstände optimal strukturieren und verwalten kann. Oft fehlt aber ein Leitfaden, der diese Methoden sinnvoll zu einer durchgängigen und praxisorientierten...

Management has increasingly paid attention to the reuse of historical data that reflect changes of customers, suppliers and organisations themselves. In consequence, many organisations are continuously attempting to look for advantageous connections between organisational variables and use...

Management has increasingly paid attention to the reuse of historical data that reflect changes of customers, suppliers and organisations themselves. In consequence, many organisations are continuously attempting to look for advantageous connections between organisational variables and use...