Wipro Tableau Developer Interview Questions and Answers

Q1. One round interview
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Q2. Good questions
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Q1. Good questions on Tableau
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Q2. Good questions on visualization
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Q1. What is the order of operations of the Tableau filters?
Ans. 
The order of operations of Tableau filters is context filters, extract filters, data source filters, and then dimension filters.
• Context filters are applied first, followed by extract filters, data source filters, and finally dimension filters.

• Context filters create a temporary table that only includes the data relevant to the filter.

• Extract filters are applied to the data extract before it is loaded into Tableau.

• Data s...read more
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Q2. What is a context filter?
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A context filter is a filter that is applied to a specific worksheet or dashboard, affecting only the data displayed in that context.
• Context filters are used to filter data at a more granular level within a worksheet or dashboard.

• They allow users to focus on specific data points without affecting the overall data set.

• Context filters can be created by right-clicking on a field in the Filters shelf and selecting 'Add to ...read more
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Q3. What do you mean by rolling 3,6,12 months? How it is different than YTD, MTD, QTD?
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Rolling 3, 6, 12 months refers to analyzing data over the past 3, 6, or 12 months, while YTD, MTD, QTD refer to year-to-date, month-to-date, quarter-to-date.
• Rolling 3, 6, 12 months involves looking at data over the past 3, 6, or 12 months, providing a trend analysis over a specific time period.

• YTD (Year-to-Date) refers to data from the beginning of the current year up to the present date.

• MTD (Month-to-Date) refers to d...read more
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Q4. How will you calculate %YoY growth?
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To calculate %YoY growth, subtract the previous year's value from the current year's value, divide by the previous year's value, and multiply by 100.
• Calculate YoY growth = ((Current Year Value - Previous Year Value) / Previous Year Value) * 100

• For example, if sales were $100 in 2020 and $120 in 2021, YoY growth = (($120 - $100) / $100) * 100 = 20%
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Q1. Live and Extract
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Q2. Scenario Donut chart
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Q3. LOD Scenario use case
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Q4. Difference between rank and dense rank
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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
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Q5. 2nd highest salary
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Basic Level questions about Tableau

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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Logical reasoning , verbal ability and quantitative ability

Q1. How to create dashboards
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Creating dashboards involves selecting relevant data, designing visualizations, and arranging them in a user-friendly layout.
• Identify key metrics and data sources to include in the dashboard

• Design appropriate visualizations such as bar charts, line graphs, and maps

• Arrange visualizations in a logical and intuitive layout

• Use filters and parameters to allow users to interact with the data

• Add annotations and titles to prov
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Q1. Where do you see yourself in 5 years
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Q1. Tell me about Architecture of Tableau?
Ans. 
Tableau follows a client-server architecture with a three-tier structure.
• Tableau Desktop is the client application used for creating and publishing content.

• Tableau Server is the central server that manages user authentication, data sources, and content distribution.

• Tableau Online is a cloud-based version of Tableau Server.

• Tableau's three-tier structure includes the data source, the VizQL server, and the application ser...read more
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Q2. What are different filters in tableau?
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Different filters in Tableau include dimension filters, measure filters, top N filters, wildcard filters, and context filters.
• Dimension filters allow users to filter data based on categorical variables.

• Measure filters allow users to filter data based on numerical variables.

• Top N filters allow users to filter data based on the top or bottom N values.

• Wildcard filters allow users to filter data based on patterns or partia...read more
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Q1. More of previous company questions
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Q1. Am I willing to relocate to Hyderabad
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