To start, run the node connection.js command. And then:
step 1: Enter into the MongoDB shell.
mongo
step 2: for the display all the databases.
show dbs;
step 3: for a select database :
use 'test'
step 4: for statistics of your database.
db.stats()
step 5: listing out all the collections(tables).
show collections
step 6:print the data from a particular collection.
db.'collection_name'.find().pretty()