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Software analysis and design tools are nowadays object-oriented as a rule, c.f. People must clearly imagine the problem before solving it. Introduction to Object Database Systems, Slide 6 3rd Country Conference, Feb.2007 Conceptual modeling of software Processes of the software constructions are performed in our minds.
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Introduction to Object Database Systems, Slide 5 3rd Country Conference, Feb.2007 Factors of the software complexity The main factor of the software problems: Complexity Object-orientation in new hope in fight with complexity. Introduction to Object Database Systems, Slide 4 3rd Country Conference, Feb.2007 Why is object-orientation important? The software manufacturing problems: Growing cost of software design, development and deployment, The problem with legacy (obsolete) software, Big risk of unsuccessful projects, Immature methods of software design and construction, Poor reliability, problems with security Integration of distributed, heterogeneous, redundant and fragmented data and service resources, Very high cost of software maintenance. Object-orientedness in computer technologies is founded on inborn mechanisms of our minds. Millions years of the evolution have created in our minds mechanisms enabling us to isolate objects in our environment, to name them, and to assign to them some properties and behaviour. What is object? Object is a kind of idiom or metaphor that addresses the human psychology and the way humans perceive the real world and think. Introduction to Object Database Systems, Slide 3 3rd Country Conference, Feb.2007 Why object-orientation in databases? Object databases consist of objects rather than relations, tables or other data structures. PJIIT projects on object-oriented databases.
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Basic concepts of object-oriented databases. Introduction to Object Database Systems, Slide 2 3rd Country Conference, Feb.2007 Topics Why object-oriented databases? Why relational and object-relational databases are not enough? Current major activities concerning object-oriented databases. Kazimierz Subieta 3rd Country Conference, February 2007 Introduction to Object Database Systems, Slide 1 3rd Country Conference, Feb.2007 Introduction to Object- Oriented Databases by Prof.