In the above Example, First we check current Database name using db command which was UserDB then we use “use test” command to switch to database test. If Database does not exists then it will create a new Database. Switch to other Database : You can switch to other database using the command “ use Database_Name“. To display any database, you need to insert at least one or more document into it.Ĭheck current Database : You can check list of databases, using the command “ db”Įxample: CHECKING CURRENTLY SELECTED DATABASE Your newly created database is not present in the list of Database. Show list of Databases : You can check currently selected database, using the command “ show dbs“. If you did not create any Database and started inserting collection then all collections are stored in the Default Database. To display database, you need to insert at least one document into it. 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. To access the MongoDB shell, open a terminal window, and run the following command: mongo You are now in the MongoDB shell and can start issuing database commands. When you install MongoDB some databases are automatically generated to use.so we can say that it is not required to create a database before you start working with it.Ĭreate a New Database : You can create a new Database in MongoDB by using “use Database_Name” command. Create MongoDB Database with the use Command MongoDB commands are issued within the MongoDB client shell. Default created database of MongoDB is ‘db’ present within the data folder. On a single MongoDB server, we can run multiple databases. A database contains collection which contains the document. The mongo shell is an interactive JavaScript interface to query and update data as well as perform administrative operations in MongoDB.ĭatabases: In MongoDB, databases basically holds the collections of documents. collections, and databases with full CRUD functionality Create and.
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