1. What are the differences between OLTP and OLAP systems?
2. How do you implement database normalization, and why is it important?
3. What is denormalization, and when would you use it?
4. How do you design a scalable database schema for large datasets?
5. What are the key differences between SQL Server and MySQL?
6. How do you implement partitioned views in SQL Server?
7. What is sharding, and how can it be implemented in SQL databases?
8. How do you use the ROW_NUMBER() function for pagination?
9. What is the purpose of SQL Server Analysis Services (SSAS)?
10. How do you perform complex queries using Common Table Expressions (CTEs)?
11. What are the differences between a temporary table and a table variable?
12. How do you handle concurrency issues in SQL?
13. What is optimistic concurrency control, and how is it implemented?
14. What is pessimistic concurrency control, and how does it work?
15. How do you implement data encryption in SQL Server?
16. What are the advantages of using Always On Availability Groups for high availability?
17. How do you implement SQL Server security using Transparent Data Encryption (TDE)?
18. What is the purpose of the ALTER INDEX command?
19. How do you use SQL Server Profiler to analyze query performance?
20. What are indexed views, and how can they improve performance?
21. How do you create a custom data type in SQL Server?
22. What are the best practices for indexing in large databases?
23. How do you perform performance tuning for complex queries?
24. What is the purpose of execution plans, and how do you analyze them?
25. How do you use the DBCC commands for database maintenance?
26. What is the difference between a clustered index and a non-clustered index?
27. How do you implement full-text indexing in SQL Server?
28. What is the significance of the WITH (TABLOCK) hint?
29. How do you optimize queries that involve multiple joins?
30. What are the best practices for writing efficient SQL queries?
31. How do you handle recursive data structures in SQL?
32. What is the purpose of the MERGE statement, and how do you use it?
33. How do you implement error handling in SQL Server stored procedures?
34. What are user-defined functions, and how do they differ from stored procedures?
35. How do you implement a logging mechanism in SQL Server?
36. What is the purpose of the SET TRANSACTION ISOLATION LEVEL command?
37. How do you implement database auditing in SQL Server?
38. What is the difference between the TRUNCATE and DELETE commands?
39. How do you manage schema changes in a production database?
40. What is the purpose of the SET NOCOUNT ON statement?