Complete guide to Node.js, Express.js AND MongoDB
It is minimal because it shreds all kinds of unneeded functionality supporting only the very basic features of web framework. Sometimes even the supported features are not enabled by default and you’re required to set them as per your needs.
Express being a Node module like any other module is installed using the npm (Node Package Manager). It has three components:
MongoDB is schemaless in nature. What do we mean by schemaless? Schema means you must have a definite number of rows and columns, length and data type for every field in the table which must comply with the specified set of rules. MongoDB being schemaless is flexible in nature where database documents need not follow schema unless forced upon at application level.
MongoDB also introduces the concept of sharding, which makes it possible to scale database horizontally and vertically.
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