When you take almost all WSO2 products out of the box (OOTB) you will use a H2 embedded database. This is easily exchanged for most major RDBMS databases with help of the sql scripts in the /dbscripts directory. For more information on how to do this, read this blog on WSO2 and MariaDB. In this blog I will tell you how to access WSO2 Databases with DBeaver.
Yenlo Knowledge Blog
Read, Contribute and Share