String lengths in the SQL backend

[Rolf Leggewie]

Derek Atkins wrote:
> If you're loading all data all the time then the only benefit to the DB
> backend over the XML backend is save-on-commit.

For me, the biggest benefit is accessability of the data.  XML query
tools don't match their SQL counterparts even remotely.  I'd go as far
as saying that XML access to the data is a virtual impossibility.