Database Access Libraries for C++

c++ windows database linux unmanaged

I use SQLAPI++. Well worth a look.

http://www.sqlapi.com/

c++ windows database linux unmanaged

A library is http://otl.sourceforge.net/

An employer of mine used it.

I can't tell you how its performance compares with wxODBC, but it might fit your requirements.

c++ windows database linux unmanaged

You can use SOCI http://soci.sourceforge.net or also Wt::Dbo, http://www.webtoolkit.eu and look at the Wt::Dbo component.