Oracle PL SQL Developer interview questions

What is alias? how is it different from actual name

Round 1: Online Test (20 questions) Basic PL/SQL Questions Round 2: Telephonic (1 Hr) tell me about urself work u have done till now Cursors Triggers Indexes Pragma Round 3 F2F (Technical and Managerial) (1 Hr 45 Mins) Interviewers were friendly why do we use index what happens in backend when you create index what will happen if you apply index on multiple column plsql code tuning what will you do if a query is working on your system and the same query is not working in clients system (Explain plan for both are same) if your manager gives you work on friday which you have to complete it by monday and at the same time your parents are coming from your hometown what will you do? PL/SQL Objects types of SDLC model tell about a situation when you have disagreement with your co-worker how will you handle failure questions on cursors, trigger (basic questions)