We discussed two possibilities here: 1) use public schema, then add additional schemas if/when necessary in the future; 2) use qiita schema and prefix everything with ```qiita.```  Option 2 provides more flexibility: allowing this to be user-selectable means they people could potentially have multiple different qiita shemas in the same database.  Not sure what would be the usecase for this at the moment; perhaps (ex)portability?