GATE 2020 experiences

IIT Bhilai Interview experience on May 2020 M.Tech 2020-21 admission   I got shortlisted along with 67 candidates for M.Tech CSE program in IIT bhilai (I have a gate score of 674 with rank AIR 970 OBC NCL category). The interview is conducted on May 11th at 3:00 pm.The interview is conduted through skype. There are three professors in the interview panel. These are the exact questions asked by them. 1. Tell me about yourself? 2. What are your favorite subjects?(I said DBMS and Algorithms) 3. How to find a primary key using Functional Dependencies? 4. What is the difference between natural join and outer join? How to perform outer join using simple relational algebra operators without using the outer join operator directly? 5. Give some examples for outer joins 6. What is a stable sorting algorithm? 7. Name some of the stable sortings? 8. How to convert any sorting algorithm to a stable sorting algorithm? 9. Give a function which is big oh of n and not omega of n. I have answered almost