We get this question a lot: when I add a dataset in Data Preparation, what happens with the data. Is it copied somewhere (on the desktop, on a server, or on the cloud)? Is it stored in a readable format or encrypted?
Talend Data Prep Free Desktop is meant to work 100% locally on your computer, your data does not go anywhere. In fact you usually don’t even need to be connected to the network to run the software.
When you add a new dataset from a local CSV or Excel file, the data is copied in a specific, unreadable format, in one of the following folders:
OS X: /Users//Library/Application Support/Talend/dataprep/store
When you add a new dataset from a remote location (typically HTTP) however, the data remains where it is and Data Prep must be connected to read the data.
In the upcoming commercial add-on, imported CSV and XLS files will be stored on an on-premise server, and may be encrypted.
In the future, we will also offer cloud delivery models, but this will be an option, and by no mean a mandatory architecture.
Referring to the point "In the upcoming commercial add-on, imported CSV and XLS files will be stored on an on-premise server, and may be encrypted." can you please elaborate if the programmer will have the ability to choose the file path or is it going to be handled by the Talend, because if the programmer do not know where the file has been copied, he will loose the ability to reconcile errors if any. If he knows, then how does Talend ensure that not everyone will have access to every folder/file on that Server, how is access controlled to these folders/files.
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