Connect live- Makes your information directly connected. You determine your efficiency at the velocity of your information source. You can connect straight to the live database by using this function. The efficiency is decreased when you select this function.  Import all information-You can import all the information to your local computer by using this function. This is called the EXTRACT, which has been saved with the.tde extension. Import all the data– Import the complete information source into the quick information motor of Tableau as an extract. The workbook is used to save the sample.  Import certain information–import your information into the rapid information motor of Tableau as an extract. You need to indicate which information you want to obtain with filters. It's also like extracting data, but while you import information to your local scheme, you can apply filters.