Filter extract

- [Instructor] Tableau data extracts are a great way…to get over the problem of a slow data source.…This enables the end-user experience to be nice and fast.…There are two ways to create a Tableau data extract,…from whether we already use an existing data source…or for our new connection.…First, let's have a look at how we create an extract…from an existing data source.…This example here, we're connecting to the…sample superstore sales data in your worksheet.…So we've got a live connection to the data.…If wanna create an extract,…we simply right-click on the data source, and Extract Data.…

Tableau then asks us how much data we wanna extract.…It's at this point we could add a filter to only…pull back a subset of the data.…This is useful if we have a very large data set.…But for this example,…we're gonna just leave everything as it is,…and we'll just extract everything.…Tableau needs to know where to store this file.…A Tableau data extract is a local file…held on our file system.…It's optimized for speed, so we need somewhere to store it.…