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DBMS Interview Questions and Answers

  Difficulty Level: AllBeginnerIntermediateExpert

Ques 1. What are CODD rules in DBMS?

Ques 2. What are different types of joins in SQL?

Ques 3. What’s the difference between DELETE and TRUNCATE?

Ques 4. What is the difference between “HAVING” and “WHERE” clause?

Ques 5. What are Aggregate and Scalar Functions?

Ques 6. What is a View?

Ques 7. What is Object Oriented model?

Ques 8. What is Fully Functional dependency?

Ques 9. What is 3NF?

Ques 10. What is meant by query optimization?

Ques 11. What do you mean by atomicity and aggregation?

Ques 12. Are the resulting relations of PRODUCT and JOIN operation the same?

Ques 13. What is Buffer Manager?

Ques 14. What is Transaction Manager?

Ques 15. What is File Manager?

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