Shah Paper Mills Data Management Executive Interview Questions and Answers

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Communication discussion

Q1. About My profile and knowledge
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Q2. About My attitude and experience
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Q1. Excel formula and macro MS word and PowerPoint dashboard advanced Excel and power bi
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Q1. DAX Related Syntax and Codes
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Q2. Data Modelling, SQL, Python
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Q1. No Response from HR after calling of selection after Round 1
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Duration was for 5 min, imp topics only

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Q1. Self introduction
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Q2. Why deltax ? explain
Ans. 
DeltaX is used to calculate the change in a variable over a period of time.
• DeltaX is used in mathematics and science to measure the difference between two values of a variable.

• It is commonly used in calculus to find the rate of change of a function.

• DeltaX is represented by the symbol Δx, where Δ denotes change and x represents the variable.
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2 codes were there and it was really easy

Q1. Types of data structures in python
Ans. 
Python has various data structures like lists, tuples, dictionaries, sets, etc.
• Lists: Ordered, mutable, allows duplicate elements. Example: [1, 2, 3]

• Tuples: Ordered, immutable, allows duplicate elements. Example: (1, 2, 3)

• Dictionaries: Unordered, mutable, key-value pairs. Example: {'key': 'value'}

• Sets: Unordered, mutable, unique elements. Example: {1, 2, 3}
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Q2. Structures of hadoop
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Hadoop is a framework for distributed storage and processing of large data sets across clusters of computers.
• Hadoop consists of HDFS (Hadoop Distributed File System) for storage and MapReduce for processing.

• Hadoop uses a master-slave architecture with a single NameNode (master) and multiple DataNodes (slaves).

• Hadoop ecosystem includes tools like Hive, Pig, Spark, and HBase for different data processing tasks.

• Hadoop is ...read more
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Q1. Sql questions on joins and window functions
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Q1. Why do you apply for this position
Ans. 
I am passionate about leveraging data to drive insights and make informed decisions.
• Passionate about working with data and analytics

• Excited about the opportunity to contribute to data-driven decision making

• Interested in the challenges and opportunities in the field of data engineering
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Q2. What is your current salay
Ans. 
I am currently earning a competitive salary based on my experience and skills.
• My current salary is in line with industry standards for data engineers.

• I have received raises and bonuses based on my performance.

• I am open to discussing salary expectations for this role.
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Q1. Introduction your self
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Q2. What are the language you learned
Ans. 
I have learned multiple programming languages including Python, R, SQL, and Java.
• Python

• R

• SQL

• Java
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Q1. Internal external tables
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Q2. MySQL questions
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