TravelTriangle Senior Java Developer interview questions

HR total that there will be total 4 rounds 1st Round : Written Test on paper, 5 questions in one hour. 2nd Round : F2F, i got reject in this round. I had good discussion with the interviewer, she asked 3 questions of DS, i will mention all the questions below. She mostly asked about DB part i dont know why , DB questions were like How indexing works, what happens if we make indexes on two columns, Query for finding duplicate Name in emp table, how to manage API versioning 3 rd Round : F2F 4th Round : HR round Prepare the quesations from Glassdoor as they ask same quesations in written all the time