What is the difference between context filter to other filters?
Whenever we crate context filter >> Tableau will create a temporary table for this particular filter set and other filters will be apply on context filter data like cascade parameters… suppose we have crated context filter on countries >> we have chosen country as USA and India >> Tableau will create a temporary table for this two countries data and if you have any other filers >>other will be apply on this two countries data if we don’t have any context filter >> each and individual record will check for all filters

What are Filters? How many types of filters are there in Tableau?
Filter is nothing but it is restricted to unnecessary, it is showing exact data. Basically filters are 3 types.
1. Quick filter
2. Context filter
3. Datasource filter

What is benefit of Tableau extract file over the live connection?
Extract can be used anywhere without any connection and you can build your own visualizations without connecting to Database.

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