If you are interested to learn about the MongoDB Get Started
Create Database using mongosh
After connecting to your database using mongosh, you can see which database you are using by typing db in your terminal.
Show all databases
To see all available databases, in your terminal type show dbs. Notice that myFirstDatabase is not listed. This is because the database is empty. An empty database is essentially non-existant.
Change or Create a Database
You can change or create a new database by typing use then the name of the database.
Example
Create a new database called “blog”:
use blog
Create a New Database : You can create a new Database in MongoDB by using “use Database_Name” command. The command creates a new database if it doesn’t exist, otherwise, it will return the existing database.you can run this command in mongo shell to create a new database. Your newly created database is not present in the list of Database. To display database, you need to insert at least one document into it.
Syntax:
use Database_NameExample: CREATING A NEW DATABASE
In MongoDB default database is test. If you did not create any Database and started inserting collection then all collections are stored in the Default Database.
Show list of Databases : You can check currently selected database, using the command “show dbs“. Your newly created database is not present in the list of Database. To display any database, you need to insert at least one or more document into it.
Example: LIST OF DATABASES
Check current Database : You can check list of databases, using the command “db”
Example: CHECKING CURRENTLY SELECTED DATABASE
Switch to other Database : You can switch to other database using the command “use Database_Name“. If Database does not exists then it will create a new Database.
Example: SWITCHING TO ANOTHER DATABASE
