Apache Calcite
dynamic data management framework for integrating data applications that exposes a consistent API and the Data available for any application
en-GB/əˈpæt͡ʃɪ ˈkælsaɪt/
en-US/əˈpæt͡ʃi ˈkælˌsaɪt/
dynamic data management framework for integrating data applications that exposes a consistent API and the Data available for any application