Tata Consultancy Services Associate System Engineer interview questions

Questions based on my projects and questions like: what is Primary and secondary key, Array, Stack, SQL query to update, delete, truncate and drop, CPU scheduling, round robin and then discussed about my hobbies. Tip: you have only 1 chance to advantage interview i.e. your introduction, give interviewer some leads so he/she can follow the path along and you "Ace" the interview.

Explain about your project and some are related to data structures and OOPS.