Database Design and SQL for SE MCQs 2026

27 questions with detailed answers · 12 from past papers · 3 quiz batches available

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Page 1 of 1 Questions 110 of 27
  1. Q1 medium

    composite key is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a database or SQL concept used in data management
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    composite key is a recognized software engineering topic assessed in competitive exams.

  2. Q2 Past Paper · PPSC/FPSC/NTS easy

    GROUP BY is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a marketing slogan without technical meaning
    4. D a database or SQL concept used in data management
    💡 Explanation:

    GROUP BY is a recognized software engineering topic assessed in competitive exams.

  3. Q3 hard

    LEFT JOIN is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a database or SQL concept used in data management
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    LEFT JOIN is a recognized software engineering topic assessed in competitive exams.

  4. Q4 medium

    INNER JOIN is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a database or SQL concept used in data management
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    INNER JOIN is a recognized software engineering topic assessed in competitive exams.

  5. Q5 Past Paper · PPSC/FPSC/NTS easy

    SQL JOIN is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a database or SQL concept used in data management
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    SQL JOIN is a recognized software engineering topic assessed in competitive exams.

  6. Q6 hard

    SQL SELECT is best defined as

    1. A a database or SQL concept used in data management
    2. B an unrelated hardware manufacturing step
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    SQL SELECT is a recognized software engineering topic assessed in competitive exams.

  7. Q7 medium

    BCNF is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a marketing slogan without technical meaning
    4. D a database or SQL concept used in data management
    💡 Explanation:

    BCNF is a recognized software engineering topic assessed in competitive exams.

  8. Q8 hard

    denormalization is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a database or SQL concept used in data management
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    denormalization is a recognized software engineering topic assessed in competitive exams.

  9. Q9 Past Paper · PPSC/FPSC/NTS medium

    primary key is best defined as

    1. A a database or SQL concept used in data management
    2. B an unrelated hardware manufacturing step
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    primary key is a recognized software engineering topic assessed in competitive exams.

  10. Q10 Past Paper · PPSC/FPSC/NTS hard

    foreign key is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a marketing slogan without technical meaning
    4. D a database or SQL concept used in data management
    💡 Explanation:

    foreign key is a recognized software engineering topic assessed in competitive exams.

  11. Q11 Past Paper · PPSC/FPSC/NTS easy

    normalization is best defined as

    1. A a database or SQL concept used in data management
    2. B an unrelated hardware manufacturing step
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    normalization is a recognized software engineering topic assessed in competitive exams.

  12. Q12 Past Paper · PPSC/FPSC/NTS medium

    1NF is best defined as

    1. A a database or SQL concept used in data management
    2. B an unrelated hardware manufacturing step
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    1NF is a recognized software engineering topic assessed in competitive exams.

  13. Q13 hard

    2NF is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a database or SQL concept used in data management
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    2NF is a recognized software engineering topic assessed in competitive exams.

  14. Q14 Past Paper · PPSC/FPSC/NTS easy

    3NF is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a marketing slogan without technical meaning
    4. D a database or SQL concept used in data management
    💡 Explanation:

    3NF is a recognized software engineering topic assessed in competitive exams.

  15. Q15 medium

    HAVING clause is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a database or SQL concept used in data management
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    HAVING clause is a recognized software engineering topic assessed in competitive exams.

  16. Q16 hard

    ACID properties is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a database or SQL concept used in data management
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    ACID properties is a recognized software engineering topic assessed in competitive exams.

  17. Q17 Past Paper · PPSC/FPSC/NTS easy

    transaction isolation is best defined as

    1. A a database or SQL concept used in data management
    2. B an unrelated hardware manufacturing step
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    transaction isolation is a recognized software engineering topic assessed in competitive exams.

  18. Q18 medium

    indexing is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a marketing slogan without technical meaning
    4. D a database or SQL concept used in data management
    💡 Explanation:

    indexing is a recognized software engineering topic assessed in competitive exams.

  19. Q19 hard

    B-tree index is best defined as

    1. A a database or SQL concept used in data management
    2. B an unrelated hardware manufacturing step
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    B-tree index is a recognized software engineering topic assessed in competitive exams.

  20. Q20 Past Paper · PPSC/FPSC/NTS easy

    view in SQL is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a database or SQL concept used in data management
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    view in SQL is a recognized software engineering topic assessed in competitive exams.

  21. Q21 medium

    stored procedure is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a database or SQL concept used in data management
    3. C a purely financial accounting entry only
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    stored procedure is a recognized software engineering topic assessed in competitive exams.

  22. Q22 hard

    trigger is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a marketing slogan without technical meaning
    4. D a database or SQL concept used in data management
    💡 Explanation:

    trigger is a recognized software engineering topic assessed in competitive exams.

  23. Q23 Past Paper · PPSC/FPSC/NTS easy

    entity-relationship diagram is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a marketing slogan without technical meaning
    4. D a database or SQL concept used in data management
    💡 Explanation:

    entity-relationship diagram is a recognized software engineering topic assessed in competitive exams.

  24. Q24 medium

    cardinality is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a marketing slogan without technical meaning
    4. D a database or SQL concept used in data management
    💡 Explanation:

    cardinality is a recognized software engineering topic assessed in competitive exams.

  25. Q25 hard

    referential integrity is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a marketing slogan without technical meaning
    4. D a database or SQL concept used in data management
    💡 Explanation:

    referential integrity is a recognized software engineering topic assessed in competitive exams.

  26. Q26 Past Paper · PPSC/FPSC/NTS easy

    candidate key is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a marketing slogan without technical meaning
    4. D a database or SQL concept used in data management
    💡 Explanation:

    candidate key is a recognized software engineering topic assessed in competitive exams.

  27. Q27 Past Paper · PPSC/FPSC/NTS easy

    relational model is best defined as

    1. A an unrelated hardware manufacturing step
    2. B a purely financial accounting entry only
    3. C a database or SQL concept used in data management
    4. D a marketing slogan without technical meaning
    💡 Explanation:

    relational model is a recognized software engineering topic assessed in competitive exams.