So after managing to resolve my slow console launch problem 
<https://groups.google.com/forum/#!topic/h2-database/eqDMd3Zz4E4>, I'm back 
to actually working with h2.  First question: what version to use?  I was 
on 1.3.167 but would like to use something more up to date.  1.3.176 still 
gives me an error on opening the database (something about not being able 
to find the class -- in my Java frontend application -- which implements a 
database function) but 1.4.193 doesn't.  However, 1.4.193 has this MVStore 
thingie, which I'm not too sure about.

I've had a quick read of this <http://www.h2database.com/html/mvstore.html>, 
but it seems to be written for an audience who will use the MVStore 
features in their code directly.  I simply use h2 as a standard SQL 
database, from my Java frontend.

So: are there reasons I should avoid 1.4.193?  Is there anything special I 
need to do to use it? (e.g. file conversion, like we had to do when 
upgrading from 1.1)  Can I ignore MVStore altogether?  I see that I can now 
get the h2 console to open a database which is already opened by my Java 
frontend -- but only if I don't add MV_STORE=FALSE to my console's URL.  
What are the tradeoffs here?  What are the secondary effects of *not* 
adding that to the URL?  And finally: have I already harmed my database 
file by opening it both with and without MV_STORE=FALSE?

Many thanks :-)

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