The concept of groupware
Types of groupware: computer-mediated communication, meeting and decisions support systems, shared applications, artefacts. Implementation issues. Cooperative work involves: participants, artefacts. Email and bulletin boards. Structured message systems.
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Описание отношений, доменов, ограничений целостности, представлений данных. Инструкции, имена Structured Query Language, типы данных. Реализация операций реляционной алгебры в языке структурированных запросов. Булевы величины, неструктурированные байты.
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