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[09:34:03 CDT(-0500)] <EricDalquist> though looking at the DerbyDialect it appears to support row level locking 
[09:38:25 CDT(-0500)] <Arvids> http://www.h2database.com/html/features.html#comparison says that hsqldb supports row level locking :S
[09:38:36 CDT(-0500)] <Arvids> *9 When using MVCC (multi version concurrency).