Important points
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Node js is a javascript run-time enviroment.. also used to create server.. => Difficult and hectic to crete rotes and server
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Express.js is can be called as a framework of Nodejs. => Used to make REST APIS i.e CRUD apis => Eaiser to make API in express rather than NOde js..
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MongoDB is NoSQL DB. =>It stores data in documents..# ecommerce