achow101 thank you for the insightful info. Also, if you can't find the hex 076b65796d65746121 from the db_dump, then the wallet is fake, does not have key metadata. Correct?
Not necessarily. Since I wrote this post, there have been changes to the wallet. Notably, a new type of wallet known as a descriptor wallet has been added. Descriptor wallets use a different method for managing keys and they do not have keymeta records.