Things on this page are fragmentary and immature notes/thoughts of the author. Please read with your own judgement!

SQLite

Apache Derby

H2

HSQLDB

References

https://www.baeldung.com/java-in-memory-databases

https://www.quora.com/Would-you-use-Apache-Derby-or-SQLite-for-a-single-file-embedded-database-for-your-Java-application

https://www2.sqlite.org/cvstrac/wiki?p=SqliteVersusDerby

https://db-engines.com/en/system/Derby%3BH2 …