Asset Integrity Solutions Data Analyst Interview Questions and Answers

Q1. What is the order of execution in sql
Ans. 
The order of execution in SQL is: FROM, WHERE, GROUP BY, HAVING, SELECT, ORDER BY.
• 1. FROM: Specifies the tables involved in the query.

• 2. WHERE: Filters the rows based on specified conditions.

• 3. GROUP BY: Groups the rows that have the same values into summary rows.

• 4. HAVING: Filters groups based on specified conditions.

• 5. SELECT: Selects the columns to be included in the result set.

• 6. ORDER BY: Sorts the result set base
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Q1. How to do conditional formatting in excel
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Conditional formatting in Excel allows users to format cells based on specified conditions.
• Select the range of cells you want to apply conditional formatting to

• Go to the 'Home' tab and click on 'Conditional Formatting'

• Choose the desired formatting option, such as color scales, data bars, or icon sets

• Set the conditions for when the formatting should be applied, such as greater than, less than, or equal to a certain valu...read more
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Q1. Detailed discussion on past experience and projects.
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Q1. 2 Hackerrank SQL Questions
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Q2. 1 Hackerrank Python Question
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It was a basic Aptitude test, Needed to learn Probability, Permutation , Cobination and SQL.
Total Duration 1 Hour.

Q1. What is your name
Ans. 
My name is John Doe.
• My first name is John

• My last name is Doe
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Q2. Introducing ur self
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Q1. Why do you want work for us?
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I am impressed by your company's innovative approach to data analysis and want to be a part of your team.
• I admire your company's reputation in the industry

• I am excited about the opportunity to work on cutting-edge projects

• I believe my skills and experience align well with the company's goals
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Q2. What are you strength
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My strengths include strong analytical skills, attention to detail, and the ability to communicate complex data effectively.
• Strong analytical skills - able to interpret and analyze data effectively

• Attention to detail - meticulous in reviewing and ensuring accuracy of data

• Effective communication of complex data - able to present findings in a clear and understandable manner
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Involve working through a business problem or scenario with the interviewer to reach a logical conclusions

Q1. Introducing your self
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Q2. Tell me about your self
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I am a data analyst with a strong background in statistics and data visualization.
• Experienced in using statistical tools such as R and Python

• Skilled in creating insightful data visualizations using Tableau

• Proficient in SQL for data querying and manipulation

• Strong analytical and problem-solving skills

• Excellent communication and presentation abilities
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Employers will set this type of test if they need to hire a person with excellent logical skills.

Code testing refers to running each line of code with a controlled input, and verifying if it performs the expected output

Q1. Introducing the same time
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Q2. Telling me about company
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It was a test of 90 minutes containing almost every thing .Quantitative+Logical+Computer fundamentals+2 coding questions

Q1. Profile screening
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Q2. Previous employment details
Ans. 
I have worked as a Data Analyst for two years at XYZ Company.
• Worked as a Data Analyst at XYZ Company for two years

• Analyzed large datasets to identify trends and patterns

• Created reports and visualizations to present data findings

• Collaborated with cross-functional teams to gather and analyze data

• Used SQL, Python, and Excel for data analysis tasks
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Q1. Technical questions on tech stack. Mostly statistics and basic ML
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Q2. Previous project details
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Developed a predictive model to forecast customer churn in a telecommunications company.
• Used machine learning algorithms such as logistic regression and random forest.

• Analyzed customer data including demographics, usage patterns, and customer service interactions.

• Achieved an accuracy of 85% in predicting customer churn.

• Provided actionable insights to the company to reduce churn rate and improve customer retention.
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Need to frame questions and their answers on data provided

Q1. Final salary discussion
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Average question where asked

Normal sql based assignment was there

Q1. Normal question where asked to me
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Duration - 1hr, Mostly questions are from Excel and SQL ( But a little knowledge of R and Python is very useful) .For me, it's knowing the concepts and answering no codes were ask to write.

Q1. Basic 1-on-1 round with your manager/ or any senior from the company
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