http://ro4h37fieb6oyfrwoi5u5wpvaalnegsxzxnwzwzw43anxqmv6hjcsfyd.onion/dwango/sangrok/apache-tomcat-9.0.85-windows-x64/apache-tomcat-9.0.85/webapps/docs/jndi-resources-howto.html
It can be the same
as the schema used for the DataSourceRealm , with only a table
for users (user name, password), and another one listing the roles
associated with each user. To support the full UserDatabase features, it must include additional tables for groups, and is
compatible with referential integrity between users, groups and roles.