Does this mean that if I use JDNC to link my project, my project has to be LGPL?
No, no, the GPL requires you to GPL you code when linking. The LGPL requires you to LGPL only the modifications you do to the original code. For example, Hibernate is LGPL. If one was required to LGPL everything when [b]using[/b] it, nobody would (and lots of people use it) :) But if you enhance the library itself (otimizate its internal algorithms, fix a bug) this [b]modification[/b] must be released as LGPL.
From the Hibernate site: [url=http://www.hibernate.org/196.html]LicenseFAQ[/url]
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