Principal Global Services Data Engineer Interview Questions and Answers

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. 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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Q1. Swap variables if two variables are given.
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Q2. Given x and y predicted y for a particular x.
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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. Regularizaion, model improvemnts
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Q2. Hyperparameter tuning
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General SQL Questions.

Q1. Salary Negotiation.
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Q1. What is LAN? How does Firewall works
Ans. 
LAN stands for Local Area Network. A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
• LAN is a network of interconnected devices within a limited area, such as a home, office, or campus.

• Firewall works by examining data packets and determining whether they should be allowed through based on predefined security rules.

• Firewalls can...read more
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Q1. Normal Technical questions on devops tools
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Hard level of 1 st round with manager and team