Aha... On Sun, Oct 3, 2010 at 11:59 PM, Chris Colman <[email protected]>wrote:
> >> Forgot to mention: DataNucleus allows you to use a wide range of > >> datastores and switch between them without any code changes: eg., all > >> the usual RDBMSes (MySQL, Oracle etc.,), Object Databases (DB4O and > some > >> others), Google Application Engine (GAE), LDAP, Excel plus loads > more. > >> If you don't want to commit to an ORM/RDBMS then DN would provide > that > >> level of protection against datastore 'lock in'. > > > >Keep in mind though that adding a layer like this over DB4O will mostly > >remove the advantages that would make you want to choose DB4O in the > >first place. > > Not really AFAIK: The ability to not have to manage fetch depths that > JDO/DB40 gives you over raw DB40 gives you is a massive productivity > boost (not sure if the latest DB40 supports lazy loading or not yet). In > any case coding to a standard persistence interface (JDO) over a > proprietary API is IMHO an insurance policy I am prepared to invest in > given the performance overheads are so miniscule. > > ... but this is probably a discussion best held elsewhere... I think we > all agree in terms of UI frameworks Wicket is definitely the best there > is! > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [email protected] > For additional commands, e-mail: [email protected] > >
