John Deere Data Analyst Interview Questions and Answers

Q1. Tell me about yourself and projects
Ans. 
I am a data engineer with experience in building data pipelines and optimizing data storage for various projects.
• Developed ETL pipelines to extract, transform, and load data from multiple sources into a centralized data warehouse

• Implemented data modeling techniques to optimize database performance and ensure data integrity

• Worked on real-time data processing systems using technologies like Apache Kafka and Spark Streami...read more
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Focus on logical reasoning, quantitative analysis, and verbal reasoning.

Two questions were given that pertained to arrays and strings. It is advisable to practice more with array and string manipulation.

It was an elimination round, and the assigned topic was ChatGPT. We discussed it for 30 minutes.

Q1. Can you introduce yourself, and what do you know about the company?
Ans. 
I am a data analyst with 5 years of experience in analyzing and interpreting complex data sets. I have a strong background in statistical analysis and data visualization.
• I have a Bachelor's degree in Statistics from XYZ University.

• I have experience using tools such as SQL, Python, and Tableau for data analysis.

• I have worked on projects involving predictive modeling, data mining, and trend analysis.

• I am familiar with th...read more
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Q2. Data analysis-related questions were asked during the interview
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Q1. Explain Order of execution in SQL
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Q2. Sumifs function
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Q3. Boxplots?Histograms?
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Q1. How did manage risks during migration of DB
Ans. 
I managed risks during migration of DB by conducting thorough risk assessments, creating backup plans, and involving key stakeholders.
• Conducted thorough risk assessments to identify potential issues

• Created backup plans to mitigate risks and minimize downtime

• Involved key stakeholders in the migration process to ensure alignment and support
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Q1. Explain projects, python string pattern code, sql query
Ans. 
The question asks the candidate to explain projects, python string pattern code, and SQL query.
• Discuss the projects you have worked on as a data engineer, highlighting your role and the technologies used.

• Explain how you have used Python string pattern code to manipulate and analyze data.

• Provide an example of a SQL query you have written to extract and analyze data from a database.

• Emphasize the impact and results of you...read more
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Easy and simple codes and also both aptitude and coding were included in the test.

Q1. Asked to write some easy codes like anagrams, palindrome etc
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Q2. About Machine Learning and also discussion on the resume
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Q3. Completed both hr and technical rounds.
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