Celestial Technologies Interview Questions and Answers

Q1. Project Experience and end to end architecture
Ans. 
I have experience working on projects with end-to-end architecture, including design, development, testing, and deployment.
• Designed and implemented scalable AWS architectures using services like EC2, S3, Lambda, API Gateway, etc.

• Developed applications using AWS SDKs and integrated with other AWS services.

• Performed testing and debugging of applications on AWS infrastructure.

• Deployed applications on AWS using CI/CD pipel...read more
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Q2. PySpark Coding question to Extract Transform & Load
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Q3. Cost Optimization on Snowflake
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Cost optimization on Snowflake involves utilizing features like virtual warehouses, auto-suspend, and resource monitoring.
• Utilize virtual warehouses efficiently based on workload requirements

• Enable auto-suspend to automatically pause warehouses when not in use

• Monitor resource usage and adjust configurations accordingly
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Q1. Project end to end
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Q2. How to connect to a share point database
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To connect to a SharePoint database, you can use SharePoint's REST API or Microsoft Graph API.
• Use SharePoint's REST API to interact with SharePoint data through standard HTTP requests.

• Authenticate using OAuth tokens to access SharePoint resources securely.

• Utilize Microsoft Graph API for a unified endpoint to access data across Microsoft services.

• Ensure proper permissions are set up for the application accessing the Sha
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Q3. Normalization & de normalization
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Q4. Questions on SQL Joins
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Q5. Question to find the 2nd highest salary using window function
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Use window function to find 2nd highest salary in SQL
• Use the ROW_NUMBER() function to assign a unique row number to each row based on the salary in descending order

• Filter the results where the row number is 2 to get the 2nd highest salary
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Q1. Why are you looking for a job change
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Q2. How was the experience at previous company
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Q3. Expected CTC at Scatterpie
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Expected CTC at Scatterpie
• Research industry standards for AWS Developer roles at Scatterpie

• Consider your experience, skills, and qualifications

• Factor in location, company size, and benefits package

• Negotiate based on market trends and personal value
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Q1. Can you provide a description of your previous work experience?
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Q2. What were the reasons for leaving your previous job?
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Q1. What are your salary expectations?
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Crafting a proposal for a potential client.

It is a test of total 150+ questions in which we have some java pseudocodes ,python ,aptitude reasoning questions as well and english questions.

Q1. Short inteoduction and project discussion.
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Q2. Check the given sentence is palindrome or not by taking input by user.
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Q3. Final,Finally,finalize keywords
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Q1. Introduce your self
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Q2. Soft skills and other basic questions
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Market Research Questions

Q1. What is market research
Ans. 
Market research is the process of gathering, analyzing, and interpreting information about a market, including customers, competitors, and industry trends.
• Involves collecting data on customer preferences, buying habits, and market trends

• Helps businesses make informed decisions about product development, pricing, and marketing strategies

• Includes techniques such as surveys, focus groups, and data analysis

• Examples: conduc...read more
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Q1. Why do you want to join our company?
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Q1. About skills and experience
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Q2. About knowledge
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Submitted a case study

Q1. With senior and global management
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Q1. What is coalesce
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Coalesce is a function used to return the first non-null value in a list of expressions.
• Coalesce function is commonly used in SQL to handle null values.

• It takes multiple arguments and returns the first non-null value.

• Example: COALESCE(column1, column2, 'default') will return the value of column1 if not null, else column2, and if both are null, it will return 'default'.
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Q2. What is repartition
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Repartition is the process of redistributing data across partitions in a distributed system.
• Repartitioning helps in balancing the workload and improving performance in distributed computing environments.

• It involves moving data between partitions based on certain criteria such as key values or hash functions.

• Repartitioning can be done in Spark using operations like repartition() or coalesce().
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Q1. Non repeatable character
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A non repeatable character is a character that appears only once in a given string.
• Iterate through the string and count the frequency of each character

• Identify the characters that have a frequency of 1

• Return the first non repeatable character found
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Q2. Sort list without sort method
Ans. 
Sort list without using sort method
• Create a custom sorting function using loops

• Compare each element with every other element to determine the correct order

• Swap elements based on the comparison results
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Q1. Past Experience and Work profile
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Q2. Future plan and work strategy in Axis My India.
Ans. 
My future plan in Axis My India is to implement data-driven strategies for accurate predictions and expand our reach in untapped regions.
• Implement data-driven strategies to improve accuracy of predictions

• Expand reach in untapped regions through targeted marketing campaigns

• Enhance customer engagement through personalized communication

• Invest in research and development for innovative solutions

• Collaborate with local partn
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Q1. Past Experience And Work profile in previous organization
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Q2. Basic question from your work experience
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Q1. Tell me about yourself
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Q2. What are your strengths
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Report writing- you have to present a market research overview on any of industry you can visit on their website for same

Q1. Analyse market trends
Ans. 
Market trends can be analyzed by examining consumer behavior, industry reports, and economic indicators.
• Examine consumer behavior through surveys and focus groups

• Review industry reports and forecasts for insights

• Monitor economic indicators such as GDP growth and inflation rates

• Look for emerging technologies or innovations that could impact the market

• Consider geopolitical events or regulatory changes that may influence
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Q2. Guest estimate for any industry
Ans. 
Guest estimate for any industry refers to the practice of predicting the number of guests or customers a business may expect to receive within a certain period of time.
• Consider historical data and trends to make an educated guess

• Take into account external factors such as seasonality, holidays, and economic conditions

• Utilize forecasting models or software to help with the estimation process
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