Tech interview 1: This round is entirely based on CS fundamentals (around 45 minutes) started with a self intro and my projects discussion asked me my role and contribution in each of them he asked me questions on bootstrap css he gave me food application and asked me to explain every stage of SDLC using it ACID properties in DBMS Triggers and Cursors in DBMS Coding question : generate permutations of a string i used predefined function he was convinced later asked me to code logic too. Tech interview 2: This round is to test your coding skills (around 45 minutes) he started with the self intro and jumped right into coding print stack elements in reverse order with O(1) space complexity delete position th element in linked list find a pair in array of sum k (i gave him no of approaches from brute force to most optimised) check whether arr2 is subset of arr1 one binary search question i dont remember exactly once he got convinced with my coding skills he asked me general questions like data structures and real life applications diff between mysql and mongodb what does google map uses to find shortest path such kind of questions (it was a friendly chat) HR Round (around 25 minutes): started with self intro he asked me what got u abt oracle from today’s ppt he asked me where i look myself in 3 yrs whats your pride possession he asked me if my project is there in my local machine, i said yes and he asked me to show him the execution. i explained him how the data transactions happen in that project. he asked me to code a simple program to find 2nd largest element in array. he got convinced when i gave him the most optimised approach.