Informatica Software Engineer Internship interview questions

First round is mcq comsists of os,dbms,sql,oops,coding .it was easy after there were 2 tech interview and one hr interview I was not select for interview rounds.the tech interviews are some what though.

There were 3 phases of the recruitment process. One phone interview with some algorithmic questions (graphs, hashmaps etc.), one onsite interview with two employees (algorithms + live coding + SQL). The last one was interview with HR manager.