TCS Tableau Developer Interview Questions, Process, and Tips

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

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

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

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%