SAP Fioneer Data Engineer Interview Questions and Answers

Aptitude test had few quant and verbal questions then SQL MCQs and 3 Coding question

Q1. Questions about guesstimates and puzzles
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Q2. Which coding language is better and why?
Ans. 
There is no one 'better' coding language, as it depends on the specific use case and requirements.
• The best coding language depends on the project requirements, team expertise, and ecosystem support.

• For data engineering, languages like Python, Scala, and SQL are commonly used for their data processing capabilities.

• Python is popular for its simplicity and extensive libraries like Pandas and NumPy, while Scala is known fo...read more
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Python and SQL questions were asked

Q1. I was asked about the project
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Q1. ACID properties of DBMS
Ans. 
ACID properties ensure data integrity in DBMS: Atomicity, Consistency, Isolation, Durability.
• Atomicity ensures that all operations in a transaction are completed successfully or none at all.

• Consistency ensures that the database remains in a consistent state before and after the transaction.

• Isolation ensures that multiple transactions can be executed concurrently without affecting each other.

• Durability ensures that once...read more
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Q1. HR question and family background
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Easy and moderate level question

Given a relevant topic and discussion on it

Q1. Introducd yourself
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Q2. Why do you want to join us
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Q1. It wnt well basics of hadoop,spark and my project
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Q2. Basics of sql and joins
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Basics of sql and joins

Q1. Spark based questions and coding questions
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General Aptitude Questions

Q1. Queries on SQL, Basic Statistic Question related to normal curve, Basic Python question(from python interview question list of any website)
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Q2. Shape of normal Distribution
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The shape of a normal distribution is bell-shaped and symmetrical.
• A normal distribution has a peak at the mean and tails that extend to infinity in both directions.

• The distribution is symmetrical, meaning that the left and right halves mirror each other.

• The standard deviation determines the spread or width of the distribution.

• Many natural phenomena and measurements in various fields follow a normal distribution.

• Example...read more
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Q3. Valuess of mean median and mode
Ans. 
Mean, median, and mode are measures of central tendency in statistics.
• Mean is the average of a set of numbers, calculated by summing all the values and dividing by the total count.

• Median is the middle value in a sorted list of numbers. If there is an even number of values, it is the average of the two middle values.

• Mode is the value that appears most frequently in a set of numbers. It can be a single value or multiple
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Q1. General HR questions
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Q1. General discussion round with ceo and about projects
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Q1. Tell about your previous projects
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Q1. Tell about previous projects
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Q1. Salary discussion
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Q1. The interviewer asked all the concepts of pyspark, ETL and a code on dsa
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