1. A federated in-memory database computing system (FIMDB) comprising: A plurality of interconnected local computing sites (LS), each installed with a local in-memory database instance (IMDB), which is configured to connect to the Federated In-Memory Database computing system (FIMDB) A central computing infrastructure, provided by a service provider (SP), who grants access to services, managed by the service provider (SP) for execution on local data of each of the respective local computing sites (LS) One or more communication channels (LSG 1 , LSG 2 ), for connecting local and remote computing sites of the federated in-memory database computing system (FIMDB) Configuration adjuster (CM), for configuring hardware and software of the local computing sites (LS) in order to access services managed by the service provider (SP) and execute them on the local computing hardware.