1. Explain Database Indexes and its types(Simple, Unique and composite). 2. Difference between Truncate and Delete SQL statements. 3. Why we use Truncate for deleting large data from tables? 4. Difference between Clustered and Non-Clustered Indexes. 5. How we authenticate with APIs while testing APIs? 6. Have you done API testing, explain how did you do that? 7. Do cookies store passwords and what exactly the cookies are in any browser? 8. What are Session cookies and session id in browsers? 9. What is HttpOnly in the cookies of any browser? 10. How we can use javascript to create, update and manage cookies?