Can Vanilla 2.0.14 be installed in the same database as Vanilla 1.0.9 uses?

I recently installed an old version of Vanilla (1.0.9) in order to test it. I would now like to upgrade this to the most recent version. In this regard I have two questons: 1) Can I install Vanilla 2.0.14 in the same database? 2) Once the new version is installed, I would like to remove the old version. How can I do that (ie uninstall the old version)?
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If you really want to remove the old V1 tables, I think they all have the prefix LUS_ so you could manually remove them in phpMyAdmin or something similar.