PowerSchool India Interview Questions and Answers

Given one couple of DSA questions and asked to solve them

Q1. React state management
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Aptitude test was for an hour

Coding test was through a website and it was kinda basic

Q1. Technical round was on OOps and some data structures.
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Q1. Manager. round followed up by a directore round
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Q1. Basic HR questions
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Mainly focuses on communication skills with me they told 1round will be gd but they started asking questions from resume for shortlisting by communication

Easy question from python and sql

Aptitude and 1 sql query question

Q1. Projects Description and details
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Q2. Salary discussion
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Q1. 1. Started with the Introduction? Ans; brief about yourself and previous company details along with technology used.
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Q2. 2. Explain specific role for your the current project End to End and most of the questions from previous project
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Q3. 3. Snowflake CDC process
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Q4. 4. I worked on DBT so most of the question on how to transform data, how to implement CDC process , macro's and different layers in DBT tool.
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Q5. 5. GIT related questions Ans: how Git is connected and explain how you create branch and merge the pull request etc..
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Q6. 6. Scenario based question on the data load.
Ans. 
Effective data loading strategies ensure data integrity and performance in ETL processes.
• Use incremental loading to minimize data transfer, e.g., only load new or updated records.

• Implement error handling to manage data quality issues, such as logging errors for review.

• Optimize batch sizes for loading to balance performance and resource usage, e.g., load in batches of 1000 records.

• Consider using staging tables to valida...read more
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Q7. 7. Windows functions
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Random on spot topics

Q1. Basics of HTML and SQL
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Q2. Questions based on HTML tag, SQL commands
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Q1. Write a program that prints a Fibonacci series of N natural numbers.
Ans. 
Program to print Fibonacci series of N natural numbers.
• Use a loop to generate Fibonacci series up to N numbers.

• Start with 0 and 1 as the first two numbers in the series.

• Each subsequent number is the sum of the two preceding numbers.

• Repeat the process until N numbers are generated.
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Q2. Write a program to check if a number is prime.
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Program to check if a number is prime
• Iterate from 2 to square root of the number and check for divisibility

• If the number is divisible by any number other than 1 and itself, it is not prime

• Return true if the number is prime, false otherwise
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Q3. What is OOPS concept? Explain polymorphism, abstraction, inheritance, encapsulation.
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OOPS stands for Object-Oriented Programming System. It includes concepts like polymorphism, abstraction, inheritance, and encapsulation.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass. Example: a shape class with subclasses like circle and square.

• Abstraction is the concept of hiding the implementation details and showing only the necessary features of an object. Example:...read more
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Q4. What is the file structure in a flutter project?
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Flutter project file structure includes folders like lib, android, ios, and assets.
• The 'lib' folder contains all the Dart code for the project.

• The 'android' folder contains the Android-specific project files.

• The 'ios' folder contains the iOS-specific project files.

• The 'assets' folder is used to store images, fonts, and other static files used in the app.
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Q5. Explain the entire process of deploying a flutter app on Play Store and App Store.
Ans. 
Deploying a Flutter app on Play Store and App Store involves several steps including creating app bundles, setting up app listings, and submitting for review.
• Create app bundles for Android and IPA files for iOS

• Set up app listings with descriptions, screenshots, and keywords

• Generate signing keys for both platforms

• Submit the app for review on Play Store and App Store

• Wait for approval and release the app to users
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Q6. Difference between packages and plugins.
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Packages are collections of Dart code that provide functionality, while plugins are platform-specific code that interacts with native code.
• Packages are written in Dart and can be used across different platforms.

• Plugins are platform-specific and interact with native code for functionalities like accessing device hardware.

• Examples of packages include http, shared_preferences, while examples of plugins include camera, loc...read more
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