Okay... we all get your co-worker is "fearless" and has not guts to say "no", the question here is... what did your coworker do before dropping the database? Please don't tell me the first task in his "migration plan" was "drop the target database".
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Pablo (Paul) Berzukov
Author of Understanding Database Administration available at Amazon and other bookstores.
Disclaimer: Advice is provided to the best of my knowledge but no implicit or explicit warranties are provided. Since the advisor explicitly encourages testing any and all suggestions on a test non-production environment advisor should not held liable or responsible for any actions taken based on the given advice.