Straive Data Engineer Interview Questions and Answers

Q1. Basic Spark, Python, SQL Questions.
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Q2. Some Data Modelling Questions.
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Basic aptitude questions

Q1. SQL basics questions like joins
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Q2. Pandas basics for data manipulation
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1 Python and 1 sql question

Q1. Technical sql and dsa
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Q2. Dsa ,sql,spark, project understanding
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Q3. Puzzle related questions
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Q4. Dsa focused array and string
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Q1. I/p 1 o.p 1 1,2 1,2,3 Using ab initio
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Q2. Inner Join , left distinct join , delete files grater than 30 days
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Aws, scala and cloud concept

Q1. Python question
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Q1. SQL and python medium level questions
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Q1. What is pip in python
Ans. 
pip is a package manager for Python that allows you to install and manage libraries and dependencies.
• pip is used to install Python packages from the Python Package Index (PyPI)

• It can also be used to uninstall packages, upgrade packages, and list installed packages

• Example: 'pip install numpy' installs the numpy package
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Q2. Questions on join
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Q1. Remove duplicates from given table
Ans. 
Use SELECT DISTINCT to remove duplicates from a table
• Use SELECT DISTINCT to retrieve unique rows from the table

• Identify the columns that should be used to determine uniqueness

• Consider using GROUP BY if you need to remove duplicates based on specific columns
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