Add office photos
Filter interviews by
Zifo RnD Solutions Data Analyst Interview Questions and Answers
Zifo RnD Solutions Data Analyst Interview Experiences
4 interviews found
Anonymous
I applied via campus placement at Sastra University and was interviewed in Mar 2024. There were 2 interview rounds.
Well designed to test the aptitude competence of the candidate.
(2 Questions)
- Q1. Explanations for the answers given to the aptitude questions.
- Q2. Questions from python.
Interview Preparation Tips
Selected
I applied via Campus Placement and was interviewed in Aug 2023. There were 2 interview rounds.
First round is gaming round with 13 levels
And the aptitude with science, technical and non technical questions
(4 Questions)
- Q1. General questions were asked Tell me about yourself And then technical he round with puzzles and aptitude to solve
- Q2. Long term and short term goals
- Q3. Strength and weakness
- Q4. Puzzles and aptitude questions
Interview Preparation Tips
Common logical and reasoning questions and also has a pseudocode
(1 Question)
- Q1. Gamified round with time limits and essay writing for the given picture
(1 Question)
- Q1. Asked about whatever you put in the resume and mainly focus on aptitude
Thota Sai Babu
I applied via Referral and was interviewed before Nov 2023. There was 1 interview round.
Logical and aptitude test, game round
Interview Preparation Tips
Zifo RnD Solutions interview questions for designations
Top trending discussions
Interview questions from similar companies
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
(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
- 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...
- 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
Interview Preparation Tips
Skills evaluated in this interview
I applied via Company Website and was interviewed in Jun 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Self Introduction
- Q2. Salary Expectation
(1 Question)
- Q1. 14 questions in excel formulas
Interview Preparation Tips
(1 Question)
- Q1. What were my grades in high school
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
Interview Preparation Tips
Skills evaluated in this interview
I applied via Referral and was interviewed in Feb 2024. There were 3 interview rounds.
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.
(1 Question)
- Q1. Simple questions on SQL were asked.
(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...
- 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 ...
- 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...
- 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 ...
- 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...
Interview Preparation Tips
- SQL
- Power Bi
- Tableau
- Excel
Skills evaluated in this interview
(1 Question)
- Q1. Asked about my qualification
Zifo RnD Solutions Interview FAQs
Some of the top questions asked at the Zifo RnD Solutions Data Analyst interview -
Tell us how to improve this page.
Zifo RnD Solutions Interviews By Designations
- Zifo RnD Solutions Associate Analyst Interview Questions
- Zifo RnD Solutions Analyst Interview Questions
- Zifo RnD Solutions Data Analyst Interview Questions
- Zifo RnD Solutions Programmer Analyst Interview Questions
- Zifo RnD Solutions Trainee Interview Questions
- Zifo RnD Solutions Associate Data Analyst Interview Questions
- Zifo RnD Solutions Application Development Analyst Interview Questions
- Zifo RnD Solutions Associate Analyst 1 Interview Questions
- Show more
Zifo RnD Solutions Data Analyst Interview Process
based on 4 interviews
1 Interview rounds
- Aptitude Test Round
Data Analyst Interview Questions from Similar Companies
Fast track your campus placements
Zifo RnD Solutions Data Analyst Reviews and Ratings
based on 3 reviews
Rating in categories
|
Associate Analyst
188
salaries
|  ₹4.2 L/yr - ₹5.3 L/yr |
|
Programmer Analyst
51
salaries
| ₹4.9 L/yr - ₹9.6 L/yr |
|
Research Analyst
39
salaries
| ₹4.5 L/yr - ₹9.2 L/yr |
|
Senior Programmer Analyst
26
salaries
| ₹8 L/yr - ₹12.1 L/yr |
|
Data Manager
25
salaries
| ₹5.8 L/yr - ₹9.2 L/yr |
Excelra
Aragen Life Sciences
Syngene International
IQVIA
- Home >
- Interviews >
- Zifo RnD Solutions Interview Questions >
- Zifo RnD Solutions Data Analyst Interview Questions
