Advanced Mongo Queries Class 1

Sample Data [ { "name": "IronMan", "powers": [ "robot", "money" ], "health": 33, "villains": [ { "name": "Mandarin", "health": 50 }, { "name": "Titanium Man", "health": 54 } ], "metadata": { "favouriteColor": "red", "age": 13 } }, { "name": "Batman",...