Hi,

On the main page, in the feature comparison, it show that HSQLDB does not support MVCC, while HSQLDB 2.0.0 does in fact support MVCC.

Also HSQLDB does support transaction isolation, at least READ COMMITTED and SERIALIZABLE. See: http://hsqldb.org/web/features200.html

Also, in the interests of fairness, maybe an entry indicating that HSQLDB supports multi-threaded MVCC, while H2 does not. A feature comparison where one side has all blocks checked, and everything else is lacking immediately makes me think, "So, what are that not telling me?".

Think about it using the iceberg principle. H2, when comparing itself with other DBs fails to mention x, y and z, which would even the scales considerably. So, this is the top of the iceberg that I can see clearly be looking at the HSQLDB website, what else is lurking beneath the surface?

I think an honest comparison would INCREASE my confidence in H2. Maybe the feature comparison is out of date, after all, HSQLDB 2.0.0 was only released this month...

Thanks,
Jesse

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