Comment by Vasan Subramanian on "What is the connection between MERN and MongoDB?"

Same as why you need MySQL in the LAMP stack ... you could do the same using PHP and, say, Postgres on Windows using nginx.

What qualifies as a cool stack is the following:

One tech each for the DB (Mongo / MySQL), web server (Apache / Express), environment (Node / Linux), and the defining framework or language (React / Angular / PHP).
You should be able to pronounce the acronym, for example, LNMP is no good.
It's actually something. You can be Mean, light a Lamp or go for a vacation to Mern.

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