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DBug Lab Interview Questions and Answers
DBug Lab Interview Experiences
1 interview found
Selected
I applied via Referral and was interviewed before Oct 2022. There were 3 interview rounds.
(4 Questions)
- Q1. About your self
- Q2. What is PHP and it's working.
- Ans.
PHP is a server-side scripting language used for web development.
PHP stands for Hypertext Preprocessor.
It is embedded within HTML code and executed on the server.
PHP can generate dynamic page content, interact with databases, and handle forms.
Example:
- Q3. Php arrays and string function
- Q4. Database and it's query , create database and insert data in database.
- Ans.
Creating a database and inserting data using SQL queries.
Create a database using CREATE DATABASE statement
Use INSERT INTO statement to add data to the database
Ensure proper data types and constraints are defined
(2 Questions)
- Q1. Create database and insert data , update data , delete data in database.
- Ans.
Creating, inserting, updating, and deleting data in a database using PHP.
Create a database connection using PHP's mysqli or PDO extension
Use SQL queries to create tables, insert data, update data, and delete data
Example: CREATE TABLE users (id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(50), email VARCHAR(50));
Example: INSERT INTO users (name, email) VALUES ('John Doe', 'john.doe@example.com');
Example: UPDATE users SE...
- Q2. Basic wordpress use in elementors
- Ans.
Elementor is a popular page builder plugin for WordPress that allows users to create custom layouts without coding.
Elementor is a drag-and-drop page builder for WordPress.
Users can easily create custom layouts by dragging and dropping elements.
Elementor has a user-friendly interface with a live preview feature.
Users can customize the design and layout of their website using Elementor.
Elementor is compatible with most W
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PHP Developer Interview Questions asked at other Companies
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I applied via Naukri.com and was interviewed before Jul 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Hybris core, commerce question and next round was on java spring hybris and scenario questions
Interview Preparation Tips
I applied via Naukri.com and was interviewed in May 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. OOPS Concepts, Interface, Sealed classes, SQL basic queries(remove duplicates, find nth highest salary, Using Dense_rank etc.,) MVC Architecture, routing in MVC, Javascript basics
Software Engineer Interview Questions & Answers
Hyland Software Solutions India LLP
Anonymous
posted on 29 Jun 2024
Selected
I applied via Referral and was interviewed before Jun 2023. There were 3 interview rounds.
Coding test are just basic Array and linkedList question
(3 Questions)
- Q1. Explain 4 pillar of oops
- Ans.
The 4 pillars of OOP are Inheritance, Encapsulation, Abstraction, and Polymorphism.
Inheritance allows a class to inherit properties and behavior from another class.
Encapsulation restricts access to certain components of an object, protecting its integrity.
Abstraction hides complex implementation details and only shows the necessary features.
Polymorphism allows objects of different classes to be treated as objects of a
- Q2. Internal working of Hashmap
- Ans.
HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.
HashMap internally uses an array of linked lists to store key-value pairs.
When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.
If multiple keys hash to the same index, a linked list is used to handle collisions.
Retrieving a value involves hashing the ...
- Q3. Crud operation implementation
- Ans.
Implementation of Create, Read, Update, and Delete operations in a software system.
Use SQL queries for database operations
Create separate functions for each operation
Handle errors and exceptions properly
Test thoroughly to ensure functionality
Consider security measures to prevent unauthorized access
(1 Question)
- Q1. Why are you chaning the organisation?
- Ans.
Seeking new challenges and opportunities for growth.
Looking for a new environment to learn and develop new skills
Interested in working on different projects and technologies
Seeking better career advancement opportunities
Wanting to work in a more collaborative team environment
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Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Dec 2020. There were 3 interview rounds.
Interview Questionnaire
5 Questions
- Q1. JS Prototype usage and functionality.
- Ans.
JS Prototype is a mechanism for inheritance and sharing properties among objects.
Prototype is a property of every JavaScript function.
It allows objects to inherit properties and methods from other objects.
Modifying the prototype of a function affects all instances of that function.
Prototype chain is used to look up properties and methods of an object.
Prototype can be used to add new methods and properties to existing o
- Q2. Node- without any loop need to check how can you find the total number
- Ans.
To find the total number without any loop in Node.js
Use the reduce() method to sum up the values in an array
Use the length property of an array to get the total number of elements
Use the Object.keys() method to get the total number of keys in an object
- Q3. Node - what is difference between promise and async await and callback.
- Ans.
Promises, async/await, and callbacks are all ways to handle asynchronous operations in Node.js.
Callbacks are functions passed as arguments to another function and called when the operation is complete.
Promises represent a value that may not be available yet, but will be resolved at some point in the future.
Async/await is a syntax for writing asynchronous code that looks like synchronous code.
Callbacks are the oldest an...
- Q4. Node - why do we use promise.
- Ans.
Promises are used in Node to handle asynchronous operations and avoid callback hell.
Promises simplify error handling and make code more readable.
Promises allow for chaining multiple asynchronous operations.
Promises can be used with async/await to write synchronous-looking code.
Example: fetching data from an API using axios library with promises.
Example: reading a file with promises in Node's fs module.
- Q5. Node - use of Sequelize (ORM)
- Ans.
Sequelize is an ORM for Node.js that supports multiple databases and provides easy data modeling and querying.
Sequelize is used to interact with databases in Node.js
It supports multiple databases like MySQL, PostgreSQL, SQLite, etc.
It provides easy data modeling and querying with its object-relational mapping
Example: const sequelize = new Sequelize('database', 'username', 'password', { dialect: 'mysql' });
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I applied via Campus Placement
Hackerrank platform - eazy to med level dsa
(1 Question)
- Q1. Dont remember the ques
Interview Preparation Tips
Shubh S
(2 Questions)
- Q1. Introduce yourself
- Q2. Explain your projects
Selected
I applied via Referral and was interviewed before Nov 2023. There were 3 interview rounds.
In round 1, you have to answer quantitative and qualitative questions.
Grammar knowledge test
(2 Questions)
- Q1. Why do you think that you are fit for this job?
- Q2. Tell me something about yourself.
- Ans.
Experienced sales executive with a proven track record of exceeding targets and building strong client relationships.
Over 5 years of sales experience in the technology industry
Consistently met or exceeded sales targets by 20% each quarter
Built and maintained relationships with key clients such as ABC Company and XYZ Corporation
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Sep 2021. There were 3 interview rounds.
I was asked t solve 2 coding questions got 20 minutes for each, both were on DS and Algo moderate problems. 1 on trees and second on linked list.
(1 Question)
- Q1. System design round where i was asked to design a parking lot followed by few DB questions
(1 Question)
- Q1. Then there was a UI round where i had to answer few Typescript questions and then was given a case study which i had t solve and propose a UI/UX solution.
Interview Preparation Tips
Verbal, audio and video answers has to be given for many questions
(3 Questions)
- Q1. Regional head and my reporting manager did that interview
- Q2. Self Introduction, career objective, long term plan
- Q3. Tell me about yourself
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