تحليل النظم المحاضرة الأولى
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The document discusses different types of information systems including transaction processing systems, online analytical processing systems, data warehouse systems, data mining systems, enterprise information systems, and enterprise resource planning systems. It also mentions key components of information systems like hardware, software, data, and information technology. Different databases, programming languages, and software that can be used to build these systems are listed as well.
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إن أعظم القادة هم.. الذين يهتمون بإحاطة أنفسهم بمساعدين ومعاونين أذكى منهم ويكونون صرحاء في الاعتراف بذلك . وعلى إستعداد للدفع لهذه الكفاءات
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The document discusses the components of a data warehouse, including:
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- Access tools for querying, reporting, visualization, and advanced analytics.
- Metadata for technical, business, and transformation documentation.
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إن أعظم القادة هم.. الذين يهتمون بإحاطة أنفسهم بمساعدين ومعاونين أذكى منهم ويكونون صرحاء في الاعتراف بذلك . وعلى إستعداد للدفع لهذه الكفاءات
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• Data about Data OR Definition of Data is Metadata
• Database management system (DBMS) is a collection of programs that enables you to store, modify, and extract information from a database.
• There are many different types of database management systems, ranging from small systems that run on personal computers to huge systems that run on mainframes.
• Oracle by Oracle Corporation, MS-Access by Microsoft, My SQL by Oracle Corporation all are DBMS.
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• A table is a collection of data organized into columns (fields) and rows (records) and related to other tables by common fields.
• A column/ field contains all the same type of data; each cell refers to a different unit.
• A row/ record contains all the different types of data about a unit of analysis (e.g. user, order, and letter).
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Appreciate your feedback.
Mahmoud.
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