SLB Data Engineer interview questions

following are the steps 5 step process first round aptitude round ( data structure coding question, and technical mcqs) second communication round third technical interview round fourth managerial interview round last is the hr round

1 technical and aptitude round, basic quantitative questions, sql queries, reasoning questions, BST insertion and preorder program, 1 technical interview round with basic questions and after that one more technical interview round with advanced questions and then HR round.