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Home / Interview Subjects / Tableau
WithoutBook LIVE Mock Interviews Tableau Related interview subjects: 74

Interview Questions and Answers

Know the top Tableau interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Total 20 questions Interview Questions and Answers

The Best LIVE Mock Interview - You should go through before interview

Know the top Tableau interview questions and answers for freshers and experienced candidates to prepare for job interviews.

Interview Questions and Answers

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Freshers / Beginner level questions & answers

Ques 1

What is Tableau?

Tableau is a data visualization and business intelligence tool that allows users to connect, visualize, and share data in a way that provides insights and facilitates decision-making.
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Ques 2

What is a calculated field in Tableau?

A calculated field is a user-defined field that performs computations on the existing fields in the data source. It allows users to create new data based on the existing data in the dataset.

Example:

Example: Profit Margin = (Profit / Sales) * 100
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Ques 3

Explain the difference between a worksheet and a dashboard in Tableau.

A worksheet is a single chart or map, while a dashboard is a collection of sheets arranged on a single canvas. Dashboards are used to combine multiple visualizations to tell a more comprehensive story.
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Ques 4

Explain the concept of aggregation in Tableau.

Aggregation in Tableau refers to the process of combining data at a higher level to provide a summary. Functions like SUM, AVG, MIN, and MAX are examples of aggregations that can be applied to measures in Tableau.
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Ques 5

What is the difference between a dimension and a measure in Tableau?

A dimension is a categorical field that defines the discrete data points, while a measure is a quantitative field that provides the values to be analyzed. Dimensions are typically used on the rows and columns shelf, while measures are used in the data pane for analysis.
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Ques 6

What is the difference between a discrete and a continuous field in Tableau?

A discrete field contains distinct, separate values and is often categorical. A continuous field, on the other hand, represents a range of values and is typically numerical. Discrete fields are used for dimensions, and continuous fields are used for measures.
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Ques 7

What is the Tableau Repository, and where is it located?

The Tableau Repository is a directory on the computer where Tableau Desktop is installed. It contains configuration files, logs, and other settings related to Tableau. The default location is 'My Tableau Repository' in the 'Documents' folder.
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Ques 8

How can you create a trend line in Tableau?

To create a trend line in Tableau, right-click on a measure in the view, hover over 'Trend Lines,' and choose the appropriate type (linear, logarithmic, etc.). Trend lines help in identifying patterns and trends in data.
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Ques 9

What is the purpose of a Tableau Workbook (TWB) file?

A Tableau Workbook (TWB) file is a XML-based file that contains the information necessary to connect to a data source, define calculated fields, and organize the layout of worksheets and dashboards. It does not store the data itself but rather the metadata for the workbook.
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Ques 10

How can you create a parameter in Tableau?

To create a parameter in Tableau, right-click on a blank space in the Data pane, select 'Create Parameter,' and define the parameter properties. Parameters allow users to create dynamic and interactive elements in the workbook.
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Intermediate / 1 to 5 years experienced level questions & answers

Ques 11

Explain the difference between a Live connection and an Extract in Tableau.

A Live connection directly queries the data source in real-time, while an Extract creates a snapshot of the data that is stored in Tableau's proprietary format (.hyper) for faster performance.
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Ques 12

How can you filter data in Tableau?

Data can be filtered in Tableau using various techniques such as Quick Filters, Context Filters, and Top N filters. Users can also create calculated fields for more advanced filtering.
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Ques 13

What is the purpose of Tableau Prep?

Tableau Prep is a data preparation tool that allows users to clean, shape, and combine data for analysis in Tableau. It helps in preparing data by handling tasks like cleaning, splitting, and aggregating data.
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Ques 14

How can you create a dual-axis chart in Tableau?

To create a dual-axis chart, drag a second measure to the right of the existing axis. Then, right-click on the second axis and select 'Dual Axis.' This allows for the comparison of two measures with different scales on the same chart.
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Ques 15

How can you create a map in Tableau?

To create a map in Tableau, drag a geographical dimension (like Country or State) to the Rows or Columns shelf. Tableau will automatically recognize the geographical data and generate the map. You can then drag measures to the color or size shelf for further customization.
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Ques 16

Explain the concept of blending in Tableau.

Data blending in Tableau is the process of combining data from multiple data sources in a single view. It is often used when the data required for analysis comes from different sources, and a relationship between the sources needs to be established.
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Ques 17

How can you create a calculated table in Tableau?

To create a calculated table, you can use the Data pane. Right-click on a blank space in the Data pane, select 'Create Calculated Table,' and define the calculations and columns you need. This feature allows you to create tables based on calculated expressions.
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Ques 18

What is the purpose of Tableau Server?

Tableau Server is a platform that allows organizations to publish, share, and collaborate on Tableau content. It provides a centralized location for storing and managing Tableau workbooks and dashboards, making it easier for users to access and interact with the data.
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Ques 19

How can you schedule data refresh in Tableau Server?

Data refresh in Tableau Server can be scheduled using the 'Refresh Schedules' option. Admins can set up schedules to refresh extracts at specified intervals, ensuring that the data remains up-to-date for users accessing Tableau Server.
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Ques 20

What is the use of the Pages shelf in Tableau?

The Pages shelf in Tableau is used for creating animated visualizations over time. It allows users to analyze how data changes over a specified dimension (e.g., time) by creating a series of static visualizations that can be viewed sequentially.
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