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Zifo RnD Solutions Associate Data Analyst Interview Questions and Answers

Updated 20 Mar 2024

Zifo RnD Solutions Associate Data Analyst Interview Experiences

2 interviews found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Aug 2023. There were 5 interview rounds.

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.
View all tips
Round 2 - Aptitude Test 

30 minutes of aptitude round with 45 questions of basic topics such as trains, ratio, age, speed, profit and loss

Round 3 - Case Study 

Picture description. You will be given two pictures and write an essay on it.

Round 4 - Science quiz 

(1 Question)

  • Q1. Questions based on the domain you have picked eg: Drug development, drug discovery
Round 5 - HR 

(1 Question)

  • Q1. Basic aptitude questions to be solved in person and general HR questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Be sure to clear Gaming rounds
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Sep 2023. There was 1 interview round.

Round 1 - Aptitude Test 

Round 1 - Aptitude (very basic)
Round 2 - Game round
Round 3 - Basic questions regarding your course
Round 4 - Essay on give n picture
Round 4 - Interview

Associate Data Analyst Interview Questions Asked at Other Companies

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Q1. 5. What are stored procedures and when are they used?
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Q2. 3. What was the finding from the project?
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Q3. 5. Name three things that your learnt from your Data Science and ... read more
asked in Rapido
Q4. 3. Execute a SQL query to get the top second row.
asked in Internshala
Q5. What is the Execution Order in SQL Queries?

Interview questions from similar companies

I applied via Company Website and was interviewed in Jul 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Complex sql scenarios and their results
  • Ans. 

    Complex SQL scenarios and their results

    • Using subqueries to filter data

    • Joining multiple tables with complex conditions

    • Using window functions to calculate running totals

    • Pivoting data to transform rows into columns

    • Using recursive queries to traverse hierarchical data

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Should have strong knowledge in SQL, ETL & DWH concepts

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.

Round 1 - HR 

(2 Questions)

  • Q1. Self Introduction
  • Q2. Salary Expectation
Round 2 - Technical 

(1 Question)

  • Q1. 14 questions in excel formulas

Interview Preparation Tips

Interview preparation tips for other job seekers - To prepare Excel Formulas and Hlookup,vlookup and etc....

Data Analyst Interview Questions & Answers

Affine user image Sai Shreyas B.K

posted on 28 Sep 2024

Interview experience
4
Good
Difficulty level
Hard
Process Duration
-
Result
Not Selected

I appeared for an interview in Aug 2024.

Round 1 - Coding Test 

The sql questions were hard

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. SQL and excel questions intermediate
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

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

Round 1 - Technical 

(3 Questions)

  • Q1. Highlight the odd cells in excel
  • Ans. 

    Use conditional formatting to highlight odd cells in Excel

    • Select the range of cells you want to highlight

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

    • Choose 'New Rule' and select 'Use a formula to determine which cells to format'

    • Enter the formula '=MOD(A1,2)=1' (assuming A1 is the top-left cell of your selected range)

    • Choose the formatting style you want for the odd cells

  • Answered by AI
  • Q2. What are Joins in SQL, explain different joins and their outputs
  • Ans. 

    Joins in SQL are used to combine rows from two or more tables based on a related column between them.

    • Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

    • INNER JOIN returns rows when there is at least one match in both tables

    • LEFT JOIN returns all rows from the left table and the matched rows from the right table

    • RIGHT JOIN returns all rows from the right table and the matched rows from the left table

    • FU...

  • Answered by AI
  • Q3. Query to give running sum of salary
  • Ans. 

    Use window function to calculate running sum of salary in SQL

    • Use window function like SUM() with OVER() clause

    • Partition the data by employee ID if needed

    • Order the data by date or any other relevant column

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Keep your SQL strong and practice joins with problem solving questions

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I appeared for an interview in Jun 2024.

Round 1 - Coding Test 

Easy SQL questions related to sub query

Round 2 - Coding Test 

SQL moderate questions related to joins and window functions

Round 3 - One-on-one 

(1 Question)

  • Q1. Asked about specific tools related to requirement

Interview Preparation Tips

Interview preparation tips for other job seekers - No advice, prepare based on JD
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Feb 2024. There were 3 interview rounds.

Round 1 - Coding Test 

The first round was a combination of MCQs and SQL Coding test. It consisted of 23 MCQs on SQL, 10 MCQs on Power BI and 5 SQL Coding questions.

Round 2 - Technical 

(1 Question)

  • Q1. Simple questions on SQL were asked.
Round 3 - One-on-one 

(5 Questions)

  • Q1. What is pivot table in Excel?
  • Ans. 

    A pivot table in Excel is a data summarization tool that allows you to reorganize and summarize selected columns and rows of data.

    • Pivot tables allow you to analyze and summarize large amounts of data in a spreadsheet.

    • You can easily rearrange the layout of the data to view it from different perspectives.

    • Pivot tables can perform functions like sum, average, count, and more on the data.

    • They are useful for creating reports...

  • Answered by AI
  • Q2. What is 'Data Validation' in Excel?
  • Ans. 

    Data Validation in Excel ensures that data entered in a cell meets certain criteria or conditions.

    • Data Validation allows you to set rules for what can be entered in a cell, such as a range of values, a list of items, or a custom formula.

    • Examples of Data Validation include setting a drop-down list of options for a cell, restricting input to a certain number range, or ensuring dates are entered in a specific format.

    • Data ...

  • Answered by AI
  • Q3. What is the order of execution of an SQL query?
  • Ans. 

    The order of execution of an SQL query involves multiple steps to retrieve data from a database.

    • 1. Parsing: The SQL query is first parsed to check for syntax errors.

    • 2. Optimization: The query optimizer creates an execution plan to determine the most efficient way to retrieve data.

    • 3. Compilation: The optimized query is compiled into an executable form.

    • 4. Execution: The compiled query is executed by the database engine t...

  • Answered by AI
  • Q4. What is the difference between Tree Map and Heatmap in Tableau?
  • Ans. 

    Tree Map visualizes hierarchical data using nested rectangles, while Heatmap displays data values using color gradients.

    • Tree Map displays data hierarchically with nested rectangles, where the size and color represent different measures.

    • Heatmap visualizes data values using color gradients, with darker colors indicating higher values.

    • Tree Map is useful for showing hierarchical data structures, while Heatmap is effective ...

  • Answered by AI
  • Q5. What is the difference between 'Extract Data' and 'Live Connection' in Tableau?
  • Ans. 

    Extract Data saves a snapshot of data in Tableau workbook, while Live Connection directly connects to data source.

    • Extract Data creates a static copy of data in Tableau workbook, while Live Connection directly queries data source in real-time.

    • Extract Data is useful for working offline or with small datasets, while Live Connection is ideal for large datasets or when data is frequently updated.

    • Extract Data can improve per...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Affine Data Analyst interview:
  • SQL
  • Power Bi
  • Tableau
  • Excel

Skills evaluated in this interview

Data Analyst Interview Questions & Answers

Affine user image Vikranth Ravikanthi

posted on 16 Aug 2024

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. SQL Questions on Aggregations

Zifo RnD Solutions Interview FAQs

How many rounds are there in Zifo RnD Solutions Associate Data Analyst interview?
Zifo RnD Solutions interview process usually has 3 rounds. The most common rounds in the Zifo RnD Solutions interview process are Aptitude Test, Resume Shortlist and Case Study.

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Zifo RnD Solutions Associate Data Analyst Interview Process

based on 2 interviews

Interview experience

4
  
Good
View more

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