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Lesson Navigation IconDBS: Concepts and Architectures

Unit Navigation IconDB-Models, Schemes and Instances

Unit Navigation IconDBMS-Architecture

Unit Navigation IconLanguages and Interfaces

Unit Navigation IconTasks

Unit Navigation IconExercise Data Independence

Unit Navigation IconSummary

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Database Systems: Concepts and Architectures

Knowing about the advantages of database supported data management and the huge possibilities of applying database systems this lesson will explain the basic concepts and typical architectures of database systems.
Firstly, it is discussed how a termconceptual scheme can be transferred into a database environment and which typical database models can be used for this task. Afterwards, the generic database architecture is explained, which should allow for the understanding the important aspects of the co-operation between the different schemes and the interfaces for the communication with a database management system.

Learning Objectives

  • You know the relationship between data schemes, database models and database instances and are able to describe them.
  • You are able to sketch and explain the 3-Scheme-Architecture.
  • You know the meaning and principles of a database interface and are able to list their typical features.
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