quick understand MongoDB from the Relational Database aspect

the following table should really help if you are coming from the relational Database and new to NoSQL.

 it will help you to learn NoSQL structure.

Relational DB	MongoDB
Database	Database
Table	Collection
Row	Document
Index	Index
Join	$Lookup
Foreign Key	Reference

What is the normalization in the Database Design?

First normalization: to break down the cell into smallest unit. single value entry

second normalization: the repeat column should be abstract to a table with primary key reference.

third normalization: no transitional dependencies. such as salutation, or total