Ericsson Applications Support Engineer interview questions

The Interview Process consists of 4 rounds 1.Assessment - It was a 45 min Assessment consists of Aptitude questions 2.Technical Interview- It lasts around 30 mins, As the Role is of Support Engineer so they asked me about Questions Related to DBMS such as 1.what are DDL,DML commands 2.TOP command in sql 3 .what is Normalisation 3.Managiarl Round- Normal hr questions 4.HR round- Noraml hr questions