2 Aristocrat Data Analyst Interview Questions & Answers | Complete Prep Guide 2025

Aristocrat Data Analyst Interview Experiences

1 interview found

Data Analyst Interview Questions & Answers

Anonymous

posted on 13 Dec 2024

Interview experience

Average

Difficulty level

Easy

Process Duration

Less than 2 weeks

Result

Not Selected

I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.

Round 1 - Technical

(2 Questions)

Q1. What is the difference between Union and Union all ?

Ans.

Union combines the results of two or more SELECT statements, while Union all includes all rows, including duplicates.

Union removes duplicate rows from the result set, while Union all includes all rows.
Union sorts the result set, while Union all does not.
Union is slower than Union all because it performs a distinct operation.
Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;
Example: SELECT column1 FRO

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Q2. Which query is more faster , joins or union?

Ans.

Joins are generally faster than unions.

Joins are typically faster than unions because they combine data from multiple tables based on a common column, while unions combine data from multiple queries into a single result set.
Joins can utilize indexes on the columns being joined, which can improve performance.
Unions involve combining the results of multiple queries, which can be slower as it requires merging and sorting ...

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Interview Preparation Tips

Topics to prepare for Aristocrat Data Analyst interview:

SQL
Power BI

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Interview Tips & Stories

1d (edited)

timepasstiwari

A Digital Markter

Got Rejected In an Interview, Just Because I Didn’t Answer a Personal Question

So, I got invited for this interview, and they told me to be there at 9 AM. Of course, I get there early, like 8:30, because I don't want to be late. But then I end up waiting for 1.5 hours... read more

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Interview questions from similar companies

Data Analyst Interview Questions & Answers

Ubisoft Entertainment

Anonymous

posted on 18 Jun 2020

I applied via Company Website and was interviewed in Dec 2019. There were 4 interview rounds.

Interview Questionnaire

3 Questions

Q1. Questions were mostly asked on SQL, Python libraries, Machine learning and Excel, puzzles to solve before interview there was test case study to solve.

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Q2. What is row number, rank, dense rank? explain partition by, indexing joins, query optimization techniques

Ans.

Explanation of row number, rank, dense rank, partition by, indexing joins, and query optimization techniques.

Row number is a function that assigns a unique number to each row in a result set.
Rank is a function that assigns a rank to each row based on the values in a specified column.
Dense rank is a function that assigns a rank to each row based on the values in a specified column, but with no gaps in the ranking.
Partit...

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Q3. Real-time examples on data analytics with examples

Ans.

Real-time examples of data analytics

Predictive maintenance in manufacturing
Real-time fraud detection in banking
Personalized recommendations in e-commerce
Real-time traffic analysis for smart cities
Real-time health monitoring in medical devices

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Skills evaluated in this interview

Data Analyst Interview Questions & Answers

Games24x7

posted on 8 May 2023

Interview experience

Excellent

Difficulty level

Process Duration

Result

Round 1 - Resume Shortlist

Pro Tip by AmbitionBox:

Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.

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Round 2 - Assignment

Contained aptitude test with both numericals as well as coding questions

Round 3 - Case Study

It was a one on one round

Round 4 - HR