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NSCT – Indexing & File Organization MCQs

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1. . Indexing in DBMS is used to:





2. . A primary index is:





3. . A secondary index is:





4. . Dense index stores:





5. . Sparse index stores:





6. . A clustered index:





7. . A non-clustered index:





8. . Hash-based indexing uses:





9. . B-Tree index is:





10. . B+ Tree differs from B-Tree because:





11. . Heap file organization stores:





12. . Sequential file organization stores:





13. . Hash file organization stores:





14. . Advantages of indexing include:





15. . Disadvantages of indexing include:





16. . Multi-level index is:





17. . Composite index is:





18. . Dense vs Sparse index trade-off:





19. . Indexes must be updated when:





20. . The main purpose of Indexing & File Organization is to:





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