Quantiphi Analytics Solutions Private Limited Applications Engineer Interview Questions and Answers

Q1. Select from employees tables all those who don't work in any department.
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Q2. What is a cursor and write a query
Ans. 
A cursor is a database object used to retrieve data from a result set one row at a time.
• A cursor is used to iterate through a result set.

• It can be used to update or delete rows in a table.

• Example query: DECLARE cursor_name CURSOR FOR SELECT column1, column2 FROM table_name;

• Example usage: OPEN cursor_name; FETCH NEXT FROM cursor_name INTO @variable1, @variable2;

• Example usage: CLOSE cursor_name; DEALLOCATE cursor_name;
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Q3. How early you can join
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Apptitude test is about 90 minutes and pyschromateric test is about 1 hour

Q1. Tell me about yourself
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Q1. What is react what is different classes in react
Ans. 
React is a JavaScript library for building user interfaces.
• React is a declarative and efficient library for creating UI components.

• It allows developers to build reusable UI components that update efficiently.

• React uses a virtual DOM to efficiently update only the necessary parts of the UI.

• React supports the use of different classes to define components.

• There are two types of classes in React: functional components and ...read more
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Q2. Oops concept an basic apptitude question(i wasn't able to solve)
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Q3. What are componenets in react
Ans. 
Components in React are reusable building blocks that encapsulate the UI and its logic.
• Components are the building blocks of a React application

• They encapsulate the UI and its logic

• Components can be reused throughout the application

• They can be functional components or class components

• Components can have their own state and lifecycle methods

• Examples of components in React are buttons, forms, and navigation bars
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Q1. Background check
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It was not that tough. If you prepare well you can do well

Q1. Oops Aql query syntax
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Q2. Some personal questions to know about background like college and university
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Q1. Asked about college and other things
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Q1. Why do you want to join our organization
Ans. 
I am impressed by your innovative products and strong company culture.
• I admire your commitment to research and development.

• I appreciate your focus on employee growth and development.

• I am excited about the opportunity to work with cutting-edge technology.

• I believe my skills and experience align well with your organization's goals.
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Q2. What are your goals
Ans. 
My goal is to continuously learn and grow in my role as an Applications Engineer, while also contributing to the success of the team and company.
• Continuously improve my technical skills and knowledge in the field of applications engineering

• Work collaboratively with team members to solve complex problems and deliver high-quality solutions

• Strive to exceed customer expectations by providing innovative and efficient soluti...read more
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Simple aptitude test conducted in campus placement.

Basic coding questions focused more on false coding

Q1. Runner Up in array
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Q2. Second last runner Up in array
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Q3. CRUD operations in DB
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Q4. Second approach for Questions1,2 by leaving out generic codes
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Q1. Introduce Yourself in brief.
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Q2. Reallocate to NOIDA, possible??
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The first round was MCQ based, there were questions from JAVA, SQL and computer science subjects.

Q1. There were 100 questions in this round.
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This was a MCQ based test and questions were from Aptitude and English.

Q1. The interviewer was very polite, he firstly asked me to introduce myself, then he went through my resume and asked me whether i have any technical skills or not. I said "Yes Sir" and I told him about my sk...read more
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Q1. These were the questions asked in HR round 1)Introduce yourself. 2)Tell me about your family background. 3)What is your biggest achievement till now? 4)What is your strength and weakness? 5)Why newgen? 6)W...read more
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Moderate level question

Q1. SQl and pyhton easy question
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Q2. What is OOPS in programming?
Ans. 
OOPS stands for Object-Oriented Programming. It is a programming paradigm based on the concept of objects, which can contain data and code.
• OOPS focuses on creating objects that interact with each other to solve a problem.

• It involves concepts like classes, objects, inheritance, polymorphism, and encapsulation.

• Example: In a banking application, a 'Customer' class can have attributes like name and account balance, and met
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Q3. The input string is palindrome or not
Ans. 
Check if a given input string is a palindrome or not
• Compare the input string with its reverse to check for palindrome

• Ignore spaces and punctuation marks when checking for palindrome

• Examples: 'racecar' is a palindrome, 'hello' is not a palindrome
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Q4. Basic quary on join
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Q1. Tell me about yourself, Why you want to joining all basis
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