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Madhusudan Technologies Data Analyst and Tableau Developer Interview Questions and Answers
Madhusudan Technologies Data Analyst and Tableau Developer Interview Experiences
1 interview found
I applied via Walk-in and was interviewed before Sep 2023. There was 1 interview round.
(2 Questions)
- Q1. What is the main use of padas to the dataset
- Ans.
Pandas is used for data manipulation and analysis in Python, providing tools for cleaning, transforming, and analyzing datasets.
Pandas allows for easy data manipulation, cleaning, and transformation.
It provides data structures like DataFrame and Series for working with tabular data.
Pandas can handle missing data, merging and joining datasets, and grouping data for analysis.
It integrates well with other libraries like N...
- Q2. What is filter in tableau
- Ans.
A filter in Tableau is a feature that allows users to narrow down the data displayed in a visualization based on specified criteria.
Filters can be applied to individual worksheets or to the entire dashboard.
Users can filter data based on dimensions, measures, or sets.
Filters can be set up as quick filters for easy access and manipulation.
Examples: filtering sales data by region, filtering customer data by purchase date
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Pavani
Selected
I applied via Naukri.com and was interviewed before Jan 2024. There was 1 interview round.
(2 Questions)
- Q1. LOD,Paramter,Filters
- Q2. SQL
Interview Preparation Tips
- LOD
I applied via Walk-in and was interviewed in Nov 2024. There was 1 interview round.
(10 Questions)
- Q1. Ask about filters
- Q2. What are all the maps used in tableau
- Q3. Difference between tree map and heat map
- Q4. What are Lods used
- Q5. Windows analytical function
- Q6. Real time question connecting to the data source facing any issues
- Q7. Any other bi tool you know
- Q8. What is groups and sets and when to you use
- Q9. Data source filter
- Q10. Handle null values
Selected
(2 Questions)
- Q1. One round interview
- Q2. Good questions
(2 Questions)
- Q1. Good questions on Tableau
- Q2. Good questions on visualization
Interview Preparation Tips
Selected
(2 Questions)
- Q1. Top 5 and Bottom 5 customer
- Q2. Flag for data not updated
- Ans.
Create a flag to identify data that has not been updated
Add a new column in the dataset called 'Updated Flag'
Use a formula to check if the data has been updated recently
For example, if the last update date is more than 30 days ago, set the flag to 'Not Updated'
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I applied via Approached by Company and was interviewed in Mar 2024. There were 2 interview rounds.
(1 Question)
- Q1. 1. Joins - asked a little question regarding different joins and how duplicates in a table will impact the counts while joining. 2. Tableau related - Basics - Parameters, how will you create a visualizatio...
(1 Question)
- Q1. In-depth Technical here. 1. Parameters in detail. 2. LODs 3. SETS. 4. How will you move b/w visualizations. 5. Data Blending
Interview Preparation Tips
shivanand aravat
I was interviewed in Feb 2024.
(5 Questions)
- Q1. Live and Extract
- Q2. Scenario Donut chart
- Q3. LOD Scenario use case
- Q4. Difference between rank and dense rank
- Ans.
Rank assigns unique ranks to each row, while dense rank assigns consecutive ranks without gaps.
Rank leaves gaps in rank numbers if there are ties, while dense rank does not
Rank function is non-consecutive, while dense rank function is consecutive
Rank function can skip numbers, while dense rank function does not
- Q5. 2nd highest salary
Skills evaluated in this interview
Tableau Developer and Business Analyst Interview Questions & Answers
Accenture
Anonymous
posted on 10 Apr 2024
I applied via Job Portal and was interviewed in Mar 2024. There was 1 interview round.
(2 Questions)
- Q1. What are LODS, rank functions
- Ans.
LODS (Level of Detail Expressions) and rank functions are used in Tableau for advanced calculations and analysis.
LODS allow you to control the level of detail in your visualization by specifying the dimensions at which you want to aggregate data.
Rank functions like RANK(), DENSE_RANK(), and ROW_NUMBER() are used to assign a rank to each row of data based on a specified criteria.
LODS and rank functions can be used toget...
- Q2. Tell me about yourself
Basic Level questions about Tableau
Selected
(1 Question)
- Q1. Types of LODs in Tableau
- Ans.
Types of LODs in Tableau include Fixed, Include, and Exclude.
Fixed LOD: Computes a value using specified dimensions, regardless of the visualization level.
Include LOD: Computes a value at a specified level of detail, including dimensions not in the visualization.
Exclude LOD: Computes a value at a specified level of detail, excluding dimensions not in the visualization.
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