INF2603 Supp 2026 exam paper — questions

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  1. Question 1.1 · Entity relationship modelling · 2 marks

    Indicate whether the following statement is true or false: within a specialisation hierarchy, every subtype can have only one supertype to which it is directly related.Show the full question

  2. Question 1.2 · Entity relationship modelling · 2 marks

    Indicate whether the following statement is true or false: Sekhukhune College of Education had some departments that were classified as "research only," meaning they would not offer courses; therefore the COURSE entity would be independent of the DEPARTMENT entity.Show the full question

  3. Question 1.3 · Database concepts and terminology · 2 marks

    Indicate whether the following statement is true or false: both centralized and decentralized distributed databases require a well-defined infrastructure (hardware, operating systems, network technologies, etc.) in order to implement and operate the database.Show the full question

  4. Question 1.4 · Entity relationship modelling · 2 marks

    Indicate whether the following statement is true or false: even though the conceptual model can handle M:N relationships and multivalued attributes, you should not implement them in the RDBMS.Show the full question

  5. Question 1.5 · SQL · 2 marks

    Choose which of the given options is logically equivalent to the expression WHERE NOT(attribute1 > 100 AND attribute2 = 100).Show the full question

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