OraRdkitCart is an Oracle data cartridge/extensible index to allow substructure and similarity searching using SQL queries on tables which contain indexed chemical structures.
It uses a Java RMI server and RDKit wrappers for chemical structure handling.
The cartridge has been tested on Oracle 12C and Oracle 18C. It would be expected to run on Oracle 19C, but has not yet been tested.
Full details on GitHub https://jones-gareth.github.io/OraRdKitCart/index.html