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45 mins: AWS,Data warehouse,Python
OOPS concepts refer to Object-Oriented Programming principles like Inheritance, Encapsulation, Polymorphism, and Abstraction.
Inheritance: Allows a class to inherit properties and behavior from another class.
Encapsulation: Bundling data and methods that operate on the data into a single unit.
Polymorphism: Ability to present the same interface for different data types.
Abstraction: Hiding the complex implementation detail
BigQuery is a fully managed, serverless data warehouse by Google Cloud for analyzing large datasets using SQL.
Fully managed and serverless data warehouse
Allows for analyzing large datasets using SQL
Integrates with other Google Cloud services like Data Studio and AI Platform
I applied via Referral and was interviewed before Mar 2023. There was 1 interview round.
Data Modelling involves creating a visual representation of data to understand relationships and patterns.
Types of Data Modelling include Conceptual, Logical, and Physical models
Conceptual model focuses on high-level business concepts and relationships
Logical model translates the conceptual model into a more detailed structure
Physical model represents how the data will be stored in a database system
Data Modelling conce...
Reverse a binary tree
Spring MVC is a framework for building web applications in Java.
Spring MVC stands for Model-View-Controller
It provides a way to structure your web application
It uses annotations to define controllers, request mappings, etc.
It supports RESTful web services
It integrates with other Spring frameworks like Spring Boot
posted on 23 Mar 2024
Data Structures and Algorithms questions were asked
I applied via Company Website and was interviewed before Mar 2023. There were 3 interview rounds.
1.Basic SQL
2. Python based question
3.Data modelling
4. Spark
5. Cloud based questions
Sql,Python,Data Modeling and Project based questions
Designing Facebook involves creating a social networking platform with features like user profiles, news feed, messaging, and more.
Create a user registration and login system
Develop a news feed algorithm to display relevant content
Implement a messaging system for users to communicate
Design a user profile page with customizable options
Incorporate features like groups, events, and pages
Ensure scalability and security of
Reverse a linked list
Iterative approach using three pointers
Recursive approach with base case and recursive call
In-place reversal using stack
I applied via Referral and was interviewed before Apr 2023. There were 3 interview rounds.
Some database questions,some java questions .
JavaScript is a programming language used for web development, while jQuery is a library built with JavaScript to simplify HTML document traversal and manipulation.
JavaScript is a programming language, while jQuery is a library written in JavaScript.
JavaScript can be used for a wide range of tasks, while jQuery is mainly used for DOM manipulation and event handling.
JavaScript is a core technology for web development, w...
Different types of joins are used in SQL to combine rows from two or more tables based on a related column between them.
Inner Join: Returns rows when there is at least one match in both tables.
Left Join (or Left Outer Join): Returns all rows from the left table and the matched rows from the right table.
Right Join (or Right Outer Join): Returns all rows from the right table and the matched rows from the left table.
Full ...
Multithreading allows multiple threads to run concurrently, while exception handling deals with errors in a program.
Multithreading involves running multiple threads simultaneously to improve performance and responsiveness.
Threads share the same memory space but have their own program counter and registers.
Exception handling is a mechanism to handle errors or exceptional situations in a program.
It helps prevent the prog...
I applied via LinkedIn and was interviewed before Mar 2023. There were 3 interview rounds.
DSA medium leetcode questions - easy to solve
DSA medium 2 questions and core questions 1.5 hrs
I prioritize tasks, communicate with stakeholders, and adjust resources as needed to meet deadlines.
Prioritize tasks based on importance and urgency
Regularly communicate with stakeholders to provide updates and address any issues that may impact deadlines
Adjust resources or seek help from team members if necessary to meet deadlines
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