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.
Create a new database called “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.
Example: 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