You can make full use of the characteristics of MongoDB. There is no need to abstract certain commonalities. They can even be mixed together and distinguished by user type. In NoSQL design, you don’t need to pay too much attention to the concept of columns (same attributes), otherwise you will lose the advantages of NoSQL, and you will even find that query operations are more troublesome than SQL later.
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You can make full use of the characteristics of MongoDB. There is no need to abstract certain commonalities. They can even be mixed together and distinguished by user type. In NoSQL design, you don’t need to pay too much attention to the concept of columns (same attributes), otherwise you will lose the advantages of NoSQL, and you will even find that query operations are more troublesome than SQL later.