Celebal Technologies Interview Questions, Process, and Tips

There was a group discussion

Question on basic sql queries

Q1. Explain the OOPs concept
Ans. 
OOPs (Object-Oriented Programming) is a programming paradigm based on the concept of objects, which can contain data in the form of fields and code in the form of procedures.
• OOPs focuses on creating objects that interact with each other to solve problems.

• Key principles of OOPs include encapsulation, inheritance, polymorphism, and abstraction.

• Encapsulation involves bundling data and methods that operate on the data into...read more
Answered by AI
Add your answer
Q2. What are solid principles
Ans. 
SOLID principles are a set of five design principles that help make software designs more understandable, flexible, and maintainable.
• S - Single Responsibility Principle: A class should have only one reason to change.

• O - Open/Closed Principle: Software entities should be open for extension but closed for modification.

• L - Liskov Substitution Principle: Objects of a superclass should be replaceable with objects of its sub...read more
Answered by AI
Add your answer

Q1. Most questions were from Project, how do you handle incremental pipelines, basic pyspark questions on optimisation , python coding question from DSA(medium level) , Sql view ,CTE, Window funxlctions , proc...read more
Add your answer

Q1. Most questions on technologies mentioned in resume, pyspark, sql , database, hadoop, spark, what are optimisation techniques in spark, what id DAG , hadoop architecture, spark architecture, Questions on Hi...read more
Add your answer

Q1. Oops concept(object, class, encapsulationl
Add your answer
Q2. Cloud basic concepts
Add your answer

List , array , Advanced Python

Q1. What is Spark ?
Add your answer
Q2. What is Cloud ?
Add your answer

Q1. Tell me your family background ?
Add your answer
Q2. Tell me your hobbies ?
Add your answer