PDO vs DAO.
I think the DAO method is much more closer to meatspace scenarios. Assuming we have a robot factory.
Pseudo in PDO:
Robot find/get Robot123 and be that robot.
Pseudo in DAO.
RobotManager find/get Robot123 .
I think the machines responsible for finding and extracting Robots from the factory be a different entity. Its more simpler that way.
RobotManager can be an interface and might have varying implementations. This answers the need to decouple the database specific implementation.
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