Siva
Data Engineer Interview Questions-TCS(2-5 Years)
1. What are the key responsibilities of a Data Engineer? 2. Explain the difference between OLTP and OLAP systems. 3. What are ETL and ELT? When would you ...
Data Engineer Interview Questions-Persistent Systems(3-5 Years)
Apache Spark & PySpark (4 Questions) 1. What is the difference between `cache()` and `persist()` in Spark? In which scenarios would you prefer one over the other?2. Explain ...
Data Engineer Interview Questions-EY(Ernst &Young)
1.Explain your project architecture?2. How much data u handled in day to day basis and what is the business case of your project?3.What Cloud u used in your ...
Data Engineer Interview Questions-TCS
Section 1: SQL Questions (Coding + Scenario-Based) # 📌 Basic Queries 1. How would you find the 2nd highest salary from an employee table without using TOP or ...
 Data Scientist Interview Questions-CHUBB
1. Explain any one of the Generative AI projects you’ve worked on and its end-to-end architecture. 2. What are static methods in Python? 3. Explain the RAG (Retrieval-Augmented ...
Data Scientist Interview Questions-FAANG
Data Scientist / ML Engineer interviews are divided into 3-4 rounds (5 in case of FAANG). Here are the details about each round: 1. ML theoretical depth and ...
Java Developer Interview Questions-NPCI(3.4 Years)
Round-L1 1)Self Introduction 2)Explain Thread Life Cycle? 3)What is Sleep() function will do? and is Sleep() method is Static or non-static method? 4)What is difference between Abstract class ...
Java Developer Interview Questions-Deloitte(Â 3-5 years)
(L1 Round)– -Give me a brief introduction about you and your projects. -What was your exact role in projects and what functionality have you developed? SQL Based Questions ...
Java Interview Questions-Wipro(1 Year)
1.What are the key features of Java? 2.What is JDK, JRE, and JVM? 3.Why is Java platform-independent? 4.What is the difference between primitive and non-primitive data types? 5.What ...
Java Developer Interview Questions-KPMG(3.4 Years)
1) Self intro about your Project 2)What are java 8 Features 3)What is Functional Interface 4)What is Major difference between “Runnable” and “Callable Interface”? 5)What is @transactional annotation ...