Peel-works Data Analyst Interview Questions and Answers

Q1. Introduce Yourself
Ans. 
I am a data analyst with a background in statistics and experience in analyzing large datasets to drive business decisions.
• Graduated with a degree in Statistics

• Proficient in data analysis tools such as Python, R, and SQL

• Experience in creating visualizations to communicate insights

• Strong problem-solving skills
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Q2. Skills you have
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Q1. Technical skills required. Some questions of programming languages are asked.
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Q2. What are the SQL command groups?
Ans. 
SQL command groups are DDL, DML, DCL, and TCL.
• DDL (Data Definition Language) - used to define database schema and structure

• DML (Data Manipulation Language) - used to manipulate data stored in the database

• DCL (Data Control Language) - used to control access to data stored in the database

• TCL (Transaction Control Language) - used to manage transactions in the database

• Examples: CREATE, ALTER, DROP (DDL); SELECT, INSERT, UP...read more
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Q3. Explain Object Oriented Programming in Python?
Ans. 
Object Oriented Programming is a programming paradigm that uses objects to represent real-world entities.
• Python supports OOP concepts such as encapsulation, inheritance, and polymorphism.

• Classes are used to create objects, which have attributes and methods.

• Inheritance allows for the creation of subclasses that inherit properties and methods from a parent class.

• Polymorphism allows for the use of a single method or funct...read more
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Q4. VLookup, Hlookup, Pivot Table in Excel
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You will be asked to share the screen and write the codes as asked.

It was easy for anyone to crack

Main Sql and some of python

Advanced level sql and python

Coding Test has been taken through online platform.

Q1. Sql, Python, ETL
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They are asking about SQL queries and BI dashboard knowledge

Q1. 1. Tell about yourself? 2. What is your Project? 3. WHat challenges faced in Data Engineering role 4. BI dashboard development experience
Ans. 
I am a data engineer with experience in BI dashboard development and overcoming challenges in the field.
• I have worked on various data engineering projects, including building data pipelines and optimizing data storage.

• One of my notable projects involved developing a real-time data processing system for a retail company, which improved their inventory management and sales forecasting.

• In my previous role, I faced challen...read more
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Q2. 1. What is Data models 2. What are the activities used in ADF 3. What is IR?
Ans. 
Answers to questions related to Data Models, ADF activities, and IR.
• Data models are the representation of data structures and relationships between them.

• ADF activities include data movement, data transformation, and control activities.

• IR stands for Integration Runtime, which is a compute infrastructure used to provide data integration capabilities across different network environments.
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Good communication skills

Understanding topics

Q1. Why you are good fit the job?
Ans. 
I have a strong background in data analysis, with experience in utilizing various tools and techniques to derive insights from data.
• Extensive experience in data analysis

• Proficient in using tools like SQL, Python, and Tableau

• Strong problem-solving skills

• Ability to communicate complex findings to non-technical stakeholders
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Q2. What is the salary expectation?
Ans. 
Salary expectations are based on experience, skills, location, and industry standards.
• Consider factors like your experience, skills, education, location, and the industry norms when determining your salary expectation.

• Research the average salary range for Data Analysts in your area and industry to have a realistic expectation.

• Be prepared to negotiate based on the job responsibilities and benefits offered by the employe
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