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Live connection allows real-time data updates while extract connection improves performance by storing data locally.
Live connection connects directly to the data source for real-time updates.
Extract connection stores a snapshot of the data locally for faster performance.
Live connection is suitable for small datasets or when real-time updates are crucial.
Extract connection is recommended for large datasets or when perfo
Joins are used to combine data from different tables based on a related column, while blending is used to combine data from different data sources within the same worksheet.
Joins are used when you have related data in different tables and want to combine them based on a common column.
Blending is used when you have data from different sources like Excel and SQL and want to combine them in the same worksheet.
Joins requir...
I have used Tableau versions 10.0, 10.1, 10.2, and 2018.1.
Tableau 10.0
Tableau 10.1
Tableau 10.2
Tableau 2018.1
Infosys interview questions for designations
I applied via Naukri.com and was interviewed before Jun 2023. There was 1 interview round.
Sets are used for creating custom fields based on conditions, while groups are used for combining related fields together.
Sets are dynamic and can change based on filters, while groups are static and do not change.
Sets can be used for creating calculated fields, while groups are used for organizing fields.
Example: Creating a set for 'High Sales' based on sales amount, and grouping 'Region' and 'City' fields together.
LOD stands for Level of Detail and is used to control the granularity of data in Tableau visualizations.
LOD expressions allow users to compute values at different levels of granularity than the view
Use cases include comparing sales performance at different levels of detail, such as by region or product category
Another use case is calculating running totals or averages across different dimensions
I applied via Recruitment Consulltant and was interviewed in Jan 2022. There was 1 interview round.
I applied via Naukri.com and was interviewed before Oct 2021. There were 4 interview rounds.
I applied via Recruitment Consultant and was interviewed in Nov 2020. There were 3 interview rounds.
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I was interviewed in Aug 2024.
Basic Level questions about Tableau
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