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NCST – Relational Database Concepts MCQs

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1. . A relational database stores data in:





2. . In relational databases, a tuple refers to:





3. . A relation in a relational database is:





4. . Primary key in a table:





5. . Foreign key is used to:





6. . Candidate key refers to:





7. . Super key is:





8. . Alternate key is:





9. . Composite key is:





10. . Domain in relational databases refers to:





11. . Referential integrity ensures:





12. . Entity integrity ensures:





13. . Relational algebra is used to:





14. . Relational calculus is:





15. . A view in relational databases is:





16. . Normalization in relational databases is used to:





17. . Denormalization is done to:





18. . Tuple relational calculus is:





19. . Attribute in a relational table refers to:





20. . The main purpose of relational database concepts is to:





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