CRUD stands for Create Read Update Delete. Those are fundamental operations used to manipulate data stored in any type of database, SQL and NoSQL. We must first take a look at some basic commands with database and collection before diving in CRUD documents. Show all databses show dbs or with anyone going from MySQL, use the following command but without semicolon at the end show databases Check current database db Change database use <databasename> Show colletions in a database show collections Create Collection Create a new "myMovies" collection in "movieScratch" database. Insert documents Insert many documents unordered db.<CollectionName>.insertMany( [ { "key1": "value11" "key2": "value12" }, { "key1": "value21" "key2": "value22" } ], { ordered: false } ) Take a look at the result: The third document cannot be inserted due ...