A federated in-memory database system (FIMDB) and a method for operating the same. The system comprises: A plurality of interconnected computing sites (LS), each installed with a local in-memory database instance, which is configured to connect to a FIMDB landscape instance; central computing infrastructure, provided by a service provider (SP), which grants access to algorithms managed by the service provider (SP) for execution on local data of the respective consuming computing site (LS); one or more communication channels (LSG1, LSG2), which are specifically adapted for connecting local and remote computing hard- and software via a digital communication channel; and configuration adjuster (CM), which are specifically adapted for configuring local hard- and software to connect to the FIMDB system (FIMDB) and for configuring local hard- and software in order to access algorithms managed by the service provider (SP) and execute them on the local computing hardware.