10+ New Allenberry Works Interview Questions and Answers

NoSQL databases are non-relational, flexible, and scalable, while SQL databases are relational, structured, and consistent.

• NoSQL databases are schema-less, allowing for flexibility in data models.

• SQL databases use structured query language for data manipulation and retrieval.

• NoSQL databases are horizontally scalable, making them suitable for big data applications.

• SQL databases are vertically scalable, which can be more expensive and complex.

• NoSQL databases are better suited f...read more

Designing a feature for a social media platform to allow users to create and share photo albums.

• Allow users to create and name albums

• Provide an interface for users to upload and organize photos within albums

• Implement privacy settings to control who can view and contribute to albums

• Include features like tagging, commenting, and liking photos within albums

• Enable users to share albums with others via links or social media platforms

Utilize systematic approach to identify, isolate, and resolve issues in the project

• Start by reproducing the issue to understand the root cause

• Use debugging tools like breakpoints, logging, and monitoring to track the issue

• Isolate the problem area by narrowing down the scope of investigation

• Test potential solutions and verify the fix before implementation

Lendingkart is a fintech company in India providing working capital loans to small businesses.

• Lendingkart uses technology and data analytics to assess the creditworthiness of small businesses.

• The company offers quick and hassle-free loans to help businesses meet their financial needs.

• Lendingkart has a user-friendly online platform for loan application and approval process.

The Two Sum problem involves finding two numbers in an array that add up to a specific target.

• Use a hashmap to store the difference between the target and each element in the array.

• Iterate through the array and check if the current element's complement exists in the hashmap.

• Return the indices of the two numbers that add up to the target.

Design a Zomato Ordering System for online food delivery.

• Allow users to browse restaurants and menus

• Implement user authentication and profile management

• Enable users to place orders and make payments online

• Include features like order tracking and ratings/reviews

• Integrate with restaurant partners for order fulfillment

Cycle detection in linked list involves using two pointers, one moving at twice the speed of the other.

• Use two pointers, one moving at twice the speed of the other

• If there is a cycle, the two pointers will eventually meet

• Use Floyd's Tortoise and Hare algorithm for efficient cycle detection

Merge Sort is a divide and conquer algorithm that divides the input array into two halves, sorts them recursively, and then merges the sorted halves.

• Divide the array into two halves

• Recursively sort each half

• Merge the sorted halves back together

GitHub is a platform for version control and collaboration on software projects.

• GitHub allows developers to track changes in their codebase over time.

• It enables collaboration among team members by providing tools for code review, issue tracking, and project management.

• Developers can contribute to open source projects by forking repositories, making changes, and submitting pull requests.

• GitHub also offers features like wikis, project boards, and actions for automating workflow...read more

Explanation of algorithms and their use cases

• Algorithms are step-by-step procedures for solving problems

• Common algorithms include sorting, searching, and graph traversal

• Use cases include optimizing resource allocation, data analysis, and machine learning

A food delivery app that connects users with local restaurants for convenient ordering and delivery.

• User-friendly interface for browsing restaurants and menus

• Secure payment options for online transactions

• Real-time order tracking and delivery updates

• Rating and review system for restaurants and delivery drivers