Oats Systems

There were three rounds. Round 1. It was a written round, questions were from algorithms and DBMS 1) Find two rectangles overlap 2)Find the k-th non-repeating character in a string 3)Find the row and column index in a two dimensional array in an optimal manner. 4)FInd the set difference with the two arrays. 5)Question related to cursor- DBMS question Almost 20 people were shortlisted from 80 Round 2 (Technical round) 1) Find a palindrome in a given sentence 2)Skip list-elaborate 3)Hash table in detail 4)Sketch all the layers of Networking 5)SMTP protocol in detail 6)Transport layer 7)Python-Significance over c/c++ 8)A query related to group by and having 9)No SQL database meaning with Examples Round 3 (HR round) 1)Rate yourself as a Software engineer 2)Skills a software engineer should have? 3)Ask my 12th cutoff marks 4)And some basic questions related to my family 5)Finally he asked are you ready to relocate to bangalore? I like to thank Geeks for Geeks that helped in preparation.