By using Tableau Desktop you are able to connect live to your data source?
Yes, and I can use the data in live.
What type of data source?
Driver : iSeries Access ODBC Driver
IBM i Access for Windows ODBC data source
String Extras : SYSTEM=AIRBUS.CPC998.BE;DBQ=QGPL;DFTPKGLIB=QGPL;LANGUAGEID=ENU;PKG=QGPL/DEFAULT(IBM),2,0,1,0,512;QRYSTGLMT=-1;SIGNON=1
Is it enough for you ? :-). I'm quite new in this area :-)
Actually, I can make an extract if I go on a sheet and I make a right clic on the datasource with "Extract data". So I can publish, but if I try to actualize on Tableau server, I receive an email with Extract Refresh Failed...
I might found what is the problem.
I 've installed a *.tdc file in my Datasource in Tableau Repository and I think now I can make extract.
To be confirm next week :-).