DBMS Interview Questions and Answers

Table of content

Basic DBMS Interview Questions

Intermediate DBMS Interview Questions

Advanced DBMS Interview Questions

Most Frequently Asked Dbms Interview Questions

What is DBMS?

What is RDBMS?

What are the differences between DBMS and RDBMS?

What is a database?

List out the database languages.

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本章目录

Table of content
Most Frequently Asked Dbms Interview Questions
Basic DBMS Interview Questions
1. What is DBMS?
2. What is RDBMS?
3. What are the differences between DBMS and RDBMS?
4. What is a database?
5. List out the database languages.
6. What are the different types of database systems?
7. What are the different types of database queries?
8. What is the ER diagram in DBMS?
9. Define a relation schema.
10. What is normalization in DBMS?
11. What is denormalization?
12. What is a primary key?
13. What is a foreign key?
14. What is a database constraint?
15. What is a database view?
16. Discuss the differences between a primary key and a unique key in a database.
17. What is the purpose of the EXISTS keyword in SQL queries?
18. What is the purpose of the GRANT and REVOKE statements in DBMS?
19. What is the difference between a view and a table in a DBMS?
20. What is the purpose of the COMMIT and ROLLBACK statements in DBMS?
Intermediate DBMS Interview Questions
21. Explain ACID properties.
22. What is a database trigger?
23. What is a database stored procedure?
24. What is a database backup?
25. What is database recovery?
26. What is the purpose of the UNIQUE constraint in a DBMS?
27. What is a surrogate key? When and why is it used in a DBMS?
28. What is the concept of data warehousing in a DBMS?
29. What is the difference between a schema and a database in DBMS?
30. What is the difference between a distributed database and a centralized database?
31. What is the difference between a single-user and a multi-user DBMS?
32. What are the different types of database transactions?
33. What is the concept of data integrity constraints in a DBMS?
Advanced DBMS Interview Questions
34. Explain the architecture of SQL.
35. What are the benefits of using a database system?
36. What are the different types of database locks?
37. What are the different types of database replication?
38. What are the different types of database isolation levels?
39. What are the different types of database administration?
40. What are the different types of database developers?
41. What are the different types of database tools?
42. What are the future trends in database technology?
43. What are the advantages of using an object-oriented database management system?
44. Discuss the differences between a clustered and a non-clustered index.
45. Explain the concept of database caching and its benefits.
46. Explain the concept of database denormalization and its use cases.
47. What is the concept of database synchronization in a DBMS?
48. Explain the concept of data partitioning in a DBMS and its advantages.
49. Explain the concept of a foreign key cascade update in a DBMS.
50. What is the purpose of a data dictionary in a DBMS?

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