Does keycloak support embedded databases like Apache Derby or hsqldb?
hsqldb is the default. If you run it without a database configuration, it automatically uses hsqldb.
I think the default database is H2, not hsqldb.
My mistake. I always confuse the two because of the overlapping history.
hsqldb doesn’t look to be supported by default, but there is a step-by-step guide for setting up a JDBC data source here: