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DBug Lab PHP Developer Interview Questions, Process, and Tips
DBug Lab PHP Developer 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
Interview Preparation Tips
Skills evaluated in this interview
Interview questions from similar companies
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' });
Interview Preparation Tips
Skills evaluated in this interview
Shubh S
(2 Questions)
- Q1. Introduce yourself
- Q2. Explain your projects
Selected
I applied via Naukri.com and was interviewed in Jul 2024. There were 2 interview rounds.
Duration 1 hr general aptitude topics
Duration 1hr subject related coding questions
Interview Preparation Tips
Software Developer Interview Questions & Answers
CBTS TECHNOLOGY SOLUTIONS INDIA LLP
Anonymous
posted on 12 Apr 2024
I applied via Approached by Company and was interviewed in Mar 2024. There were 2 interview rounds.
Logic and MCQ were there
(2 Questions)
- Q1. How cobol db 2 works? how to add checkpoint logic.
- Ans.
COBOL DB2 is a programming language used for database management. Checkpoint logic is used to ensure data integrity and recoverability.
COBOL DB2 is used for accessing and manipulating data in DB2 databases.
Checkpoint logic in COBOL DB2 involves saving the current state of the database at specific points to ensure data integrity.
To add checkpoint logic, you can use COMMIT and ROLLBACK statements in your COBOL DB2 progra...
- Q2. How jcl works, how to do restart
- Ans.
JCL (Job Control Language) is used to control batch jobs on mainframe systems. Restarting a job involves identifying the step where it failed and resubmitting the job from that step.
JCL is used to define and control batch jobs on mainframe systems
To restart a job, identify the step where it failed
Modify the JCL to start from the failed step by specifying the restart parameter
Submit the modified JCL to restart the job
Interview Preparation Tips
Skills evaluated in this interview
Software Developer Interview Questions & Answers
CBTS TECHNOLOGY SOLUTIONS INDIA LLP
GOKULA KRISHNAN
posted on 25 Jul 2024
It was easy, the topic is upi
Aptitude + coding Test
(2 Questions)
- Q1. It's about my projects
- Q2. And few Javascript questions
(1 Question)
- Q1. General HR questions
Selected
I applied via LinkedIn and was interviewed before Nov 2023. There was 1 interview round.
(2 Questions)
- Q1. Describe general scenario in english
- Ans.
A general scenario is a common situation or setting that can be applied to various contexts.
General scenarios help to provide a framework for understanding different situations
They can be used in problem-solving, decision-making, and planning
Examples include a job interview, a classroom setting, or a family gathering
- Q2. Written assessment to check sentence formation and grammar
Interview Preparation Tips
I applied via Company Website and was interviewed in Jan 2022. There was 1 interview round.
(4 Questions)
- Q1. Questions about And and Or operators in php.
- Q2. Tell the output of PHP program in which And and Or is used
- Ans.
The output of a PHP program using And and Or depends on the logic used in the program.
And (&&) returns true if both conditions are true
Or (||) returns true if at least one condition is true
The output will depend on the logic used in the program
- Q3. Questions on MySql Aggregate functions
- Q4. Write MySql query for getting employee with 3rd maximum salary
- Ans.
The query to get the employee with the 3rd maximum salary in MySQL.
Use the ORDER BY clause to sort the salaries in descending order.
Use the LIMIT clause to retrieve the third row.
Use a subquery to select the third maximum salary.
Interview Preparation Tips
Skills evaluated in this interview
Quantitative Aptitude
(2 Questions)
- Q1. To write syntax for a problem using any programming language.
- Q2. Tell me about your projects and Internship experience.
(1 Question)
- Q1. Questions were related to Hobbies, extra curricular activities and some questions of analytical ability such as color cube, maths, etc. It was in general.
Interview Preparation Tips
Study about your projects that you have done in your graduation.
Be prepared on questions regarding your skill set. For e.g- object oriented programming concepts, Data structures, Database, etc.
Lastly, Be confident!
And, You are good to Go.
It's depend on position after you crack the coding round you can eligible for two technical rounds
(1 Question)
- Q1. He asks about queries mainly stored procedures
(5 Questions)
- Q1. What are your salary expectations?
- Q2. What is your family background?
- Q3. Why should we hire you?
- Q4. Why are you looking for a change?
- Q5. Tell me about yourself.
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DBug Lab PHP Developer Interview Process
based on 1 interview
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