What is DbContext, and how is it used in EF Core? Querying and Data Loading Purpose: Check your knowledge of querying strategies and their impact. Examples: Explain lazy loading, eager loading, and explicit loading. How do you execute raw SQL queries in EF Core? Concurrency and Transactions Purpose: Evaluate your ability to handle real-world database challenges. Examples: How does EF Core handle concurrency? How do you use transactions in EF Core?