https://confluence.simplprogramme.eu/display/SIMPL/Annex+6+-+Architecture+building+blocks NoSQL databases are the best option in case the user needs more flexible schemas and/or horizontal scaling. They also enable faster queries due to the data model. The SMP may offer cloud-native or open-source non-relational databases for the users. Among others, tools like Apache Cassandra or MongoDB provide this type of database management