IBM Associate System Engineer interview questions

First I've Applied for the company as a clg student. I've received a mail regarding hiring process. It has 3 rounds. Final phase contains face 2 face interview. Based on our performance we will get an offer from the company.

It was good,asked about sdlc,stlc,mysql query, College project,certifications any,coding questions on basics like reverse of string,any other offers,why IBM,internships any,Proficient languagues to code,rate yourself among them.Lasted 30 min,queries to join two tables.