When you connect to a file or a server, on the Data Source workplace, at the top right, you have the option to use the Data Source Live or Extract, as you can see in the following screenshot:Â
![](https://static.packt-cdn.com/products/9781788838689/graphics/assets/9afafab5-2b42-4a46-96ad-01cb6810556d.png)
There is a big difference between the two options, so let's see them in detail.