By Mario Piattini
Here's a thorough advent to the most recent advancements in database platforms layout offered from an functions perspective. that includes contributions from famous specialists within the box, this new e-book will pay targeted recognition to matters raised via new traits in database layout, and the way those advancements impact the programmer and database administrator. The authors and editors current innovations in an intuitive and motivating demeanour, making broad use of examples, and together with lists of references for extra learn with each one bankruptcy.
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Extra info for Advanced Database Technology and Design
Computer-aided software/system engineering (CASE). CASE requires managing information sets associated with all the IS life cycle: planning, analysis, design, programming, maintenance, and so on. To meet those requirements, DBMSs must provide version control, triggers, matrix and diagram storage, and so on. • Computer-aided design (CAD)/computer-aided manufacturing (CAM)/ computer-integrated manufacturing (CIM). CAD/CAM/CIM requires the introduction of alerters, procedures, and triggers in DBMSs to manage all the data relative to the different stages of the production operation.
5): • Scientific, that is, research dedicated to the technology; • Industrial, that is, product development by vendors; • Commercial, that is, market acceptance of the technology and its utilization by users. 2 indicates the maturity level (ranging from 1 to 5) in each dimension for different DB technologies. 5 Dimensions in technology maturity. 2 Maturity Level of Different DB Technologies Technology Scientific Industrial Commercial Relational DBs 5 5 5 Parallel DBs 4 3 3 Real-time DBs 3 2 1 Main-memory DBs 3 2 1 Active DBs 4 3 2 Deductive DBs 4 2 1 Object-oriented DBs 4 3 1 Multimedia DBs 4 3 3 Web DBs 3 2 2 Spatiotemporal DBs 3 1 1 Secure DBs 3 3 1 Fuzzy DBs 2 1 0 Distributed DBs 4 3 2 Federated DBs/multidatabases 3 2 1 Mobile DBs 2 2 1 Component DBs 2 1 0 Data warehouses 2 3 2 21 22 Advanced Database Technology and Design Synergy among technologies also must be considered.
For example, the quantity of a given product in the shelves of a retail store may be observed when necessary, and at the same time it can be represented in the IS. In those cases there is a redundancy, but it is a desired one, because it may be easier to ask the system than to observe the domain. In other cases, the state is represented only in the IS, and it is not possible (or difficult) to observe it directly in the domain. For example, in a retail store it is not possible to observe how many units of some product have been sold up to a given moment.