MongoDB Commands
To display all databases
> show dbs
Open existing or New database
use dbname
How to create a new database?
use newdb
Create a new collection
// create a collection
db.createCollection("myFirstCollection")
// collection with capped size
// The size: 2 means a limit of two megabytes, and max: 2 sets the maximum number of documents to two.
db.createCollection("mySecondCollection", {capped : true, size : 2, max : 2})
Display list of Collections
show collections
// drop database in MongoDB CE
db.dropDatabase()
// Drop database in MongoDB Atlas
use test;
db.runCommand({"dropDatabase":1})
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