Dunno about Germany but in Belgium there is Crossroads Bank for Social Security which effectively controls the flow of information between various social security and public health organizations: https://www.ksz-bcss.fgov.be/
In its current form, it's a set of SOAP or REST APIs that your organization gets access to after completing paperwork about your needs.
It was established by a 1990 law [1].
There is also a similar legal and technical setup for information on companies [2] where most information is public, and the register of residents [3] which is even more guarded.
[1] https://www.ksz-bcss.fgov.be/fr/page/loi-du-15-janvier-1990-...
[2] https://economie.fgov.be/en/themes/enterprises/crossroads-ba...
Culture is more important on whether or not a country can slide into a dictatorship.
Americans are ultimately conditioned to accept leadership. Belgians have never and never will agree on anything.
Yes, that makes sense, we don’t allow people to connect to our databases directly either, and in any case the systems should be built so they are separated, it’s good architecture.
I was very much more intrigued about the statement that data can’t be easily/legally shared within the same agency