Datagrokr interview questions

Online Test and then Interview its an average Interview and at first they have asked easy questions and then they are increasing the level of the question. then some question about why OOPS and some SQL questions.

It was so in depth of every concept they think u learned in three years of engineering. each and every concept of core cs topics were asked from scratch . like if we take os from process , thread definition to scheduling algorithms all topics were covered ,. practical knowledge of topics is checked rather than the book definition