I need some suggestion on integration process for getting data from external sources to Oracle 11gR2 database.
I have one external source where either I can get the flat files or the external source can directly put the data into my interface tables.
I want to know the pros and cons on this two approach. Now only part is we need to do the validation for each data that is coming to our oracle DB, and we also need to merge on any update on the existing data or delete from source system. Each update will also comes daily.
I earlier decide as like below: