Java comes with Java DB.
That said, I would advise against using a different type of DB than what you use in production unless you go through an ORM layer. Otherwise, your SQL might not be as cross-platform as you think.
Also check out DbUnit
Java comes with Java DB.
That said, I would advise against using a different type of DB than what you use in production unless you go through an ORM layer. Otherwise, your SQL might not be as cross-platform as you think.
Also check out DbUnit