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Infosys 220 exam Study guides, Class notes & Summaries

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INFOSYS 220 Exam

  • INFOSYS 220 Exam

  • Exam (elaborations) • 14 pages • 2024
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    • Goal of data design and modelling - answer-To know what data the system needs Relational data modelling - answer-Most common type of ERD (entity relational diagram) Elements: - Tables (relation) - Columns (attribute with domain) - Rows (tuple - constitutes a record) Data elements captured to... - answer-Support the business/requirement/functionality/system/UCs/processes (e.g. activity diagrams) ERD Entity - answer-- Represented by a table - Objectives and events of interest/relev...
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