"I'm trying to ensure there is nothing technically wrong with setting up a new DB handler when switching to a new database."

This statement shows that you really don't understand the role of a Relational Database, much less how to interface with Perl. Please stop telling us HOW you want to do stuff and just tell us WHAT you are trying to do.

In reply to Re^5: Moose::Role to provide DBI interface by Anonymous Monk
in thread Moose::Role to provide DBI interface by nysus

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