## Accenture Business Analyst Interview Question

**Company Name – Accenture Location – Bangalore Position – Business Analyst Number of Rounds – 3 Round 1 – Technical Round(SQL and R) Round 2 – Guesstimate Round Round 3 – Project and HR Round **

**Round 1 – SQL and R**

This was a face to face interview where questions were mostly asked around the basics of SQL and R. The interview lasted for 1 hour and following are the questions asked. **1. What is the use of NVL function in Oracle?****2. What is Correlated Subquery**?**3. What is the difference Between UNION and UNION All?**

4. **Explain different Joins in SQL using a** **venn diagram.****5. What is the result of following query? select case when null=null then ‘Amit’ else ‘Rahul’ end from dual;6. What is parser?**

**7. can we have another column in a table other than a primary key column which will act as a primary key?**

8. If a emp table is having duplicate emp_id then can we make it primary key?

9. How the triggers will execute if two or more triggers?

8. If a emp table is having duplicate emp_id then can we make it primary key?

9. How the triggers will execute if two or more triggers?

**10. What is lapply and sapply?**

11. Data.table vs. data.frame

11. Data.table vs. data.frame

**12. [a-z A-Z 0-9 -.] what does this regex means?**

**Round 2 –**There were just two Guesstimate Questions in this round

**Guesstimate 1 –**How many digital watches are sold per day in India

The solution is in the book. For guesstimate practice, you can click here

**Guesstimate 2 –**What is the size of the market for disposable diapers in India?

The Solution is in the book. For guesstimate practice, you can click here

**Round 3 –**Project and HR

My project was on using Linear Regression to predict the number of Solar Energy Systems the Client need to deploy to optimally meet the requirement

The questions asked were mostly on Linear Regression, measuring the accuracy of the model, and it’s implementation. Some of the questions asked in the interview were:-

1. Why did you use Linear Regression?

2. How many independent variables were there?

3. How did you figure out the important variables to consider in the model?

4. What is the use of p-value?

5. How will you make a layman understand Linear Regression?

6. What is R-Squared error?

A sample data set was provided and I was asked to calculate the Standard Deviation, R-squared error, and correlation

7. How did you implement the results of the model in your database?

These questions were followed by regular HR questions. The complete solution is in the book.

The confirmation letter was sent after 3 days.

Keep practicing 🙂

XtraMous

Full interview question of these round is present in our book What do they ask in Top Data Science Interview Part 2: Amazon, Accenture, Sapient, Deloitte, and BookMyShow

You can get your hand on our ebooks

1. The Monk who knew Linear Regression (Python): Understand, Learn and Crack Data Science Interview

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