IQVIA Software Engineer interview questions

It was length process.. Techincal 3 round 1 HR round Manager round was little tough. Hr round was mostly of salary negotiation. Manager round was tough and he was asking for lot question related to C and argus and server

Their are 4 rounds, online aptitude test,offline SQL written exam ,technical and hr.In aptitude is like amcat exam and three section with 20-20-20(quant,resoning ,and english),in second round is sql test basic question related to joins and funcition. Third rounds is technical only logic . first ask wap for even no ,then ask question to my logic ,how to write other way,difference between null and empty ,what is array how to declare,various data type and ask question to data structure like linked list,tree ,searching and sorting ,and write one code then say what is output . I reached only three round .