Relational model MCQs in DBMS

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1. Who is credited with the creation of the relational database model?



2. In the relational model, data is organized into:



3. What is the primary key in a relational database?



4. In a relational database, what is a foreign key?



5. Which language is most commonly used to interact with relational databases?



6. In the relational model, a row is also known as a:



7. In the relational model, a column is also known as a:



8. What is a relation in the context of the relational database model?



9. Which of the following is a characteristic of a relational database table?



10. What is normalization in relational databases?



11. Which normal form eliminates all duplicate columns from the table?



12. In relational database terminology, a domain is:



13. Which of the following constraints ensures that no two rows have the same value for a particular column?



14. Which SQL keyword is used to retrieve data from a database?



15. A foreign key in a relational database is used to:



16. What does ACID stand for in the context of databases?



17. Which SQL statement is used to modify data in a database?



18. Which of the following SQL clauses is used to filter the result set?



19. The process of breaking down a complex table into simpler tables is called:



20. In a relational database, a composite key is:



MCQs on Relational Model in DBMS

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