Chubb Senior Data Engineer Interview Questions and Answers

Questions on python programming- 2 and SQL-1

They will ask from you resume

Q1. Mostly related to your work experience
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Q1. Most related to your skill sets
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Q1. Mostly related to your skills sets
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Q1. Behavioural Round to check attitude and behaviour
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Q1. He discussion related salary and other stuff
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First round will be aptitude test

Q1. Why should I hire you
Ans. 
I have a strong analytical background, excellent problem-solving skills, and a proven track record of delivering actionable insights.
• I have a degree in data analytics and relevant work experience

• I am proficient in statistical analysis and data visualization tools such as Python, R, and Tableau

• I have successfully completed projects where I identified trends and patterns in data to drive business decisions
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Q2. Tell me about your self
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Q1. Salary expectation
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Q2. Position of the candidate
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Q1. Whats is supervised learning
Ans. 
Supervised learning is a type of machine learning where the model is trained on labeled data to make predictions or decisions.
• Uses labeled data for training

• Predicts outcomes based on input features

• Examples include regression and classification algorithms
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Q2. What is unsupervised learning
Ans. 
Unsupervised learning is a type of machine learning where the model is trained on unlabeled data without any predefined output labels.
• No predefined output labels are provided for the training data

• The model must find patterns and relationships in the data on its own

• Common techniques include clustering and dimensionality reduction

• Examples: K-means clustering, Principal Component Analysis (PCA)
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Basic 10 apti question

Basic 5 python question

Basic 5 SQL question

Q1. They asked two python program.
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Q1. They asked one SQL question
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Q1. Just question based on my resume.
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Q1. Sql indexing. window function.
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Q2. Many other sql questins were there
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Q1. 5 year goal. where do you see yourself.
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Q1. Easy coding questions
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Q1. DSA questions , palindrome
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Q1. Why are you joining this company
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Q1. What is joins in SQL?
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column;
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Q1. How do you maintain your work life balance?
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