Is there any limitiation is creating an application that extract data from different system like SAP, SQL, and QV Source and itegrate them all in one. What are the posisbilites and challanges?
There is no limitation due to different data sources. Once in QlikView, there is no difference among tables based on their source, the limit is your imagination :-) and the number of data drivers you can install in your computer..
Retrieving data ...