How to create a database in mongodb

Steps to create a database in MongoDB: 1. Open the MongoDB Shell; 2. Specify the database name through the use command; 3. Use the db command to check whether the database has been created; 4. Create a collection (optional); 5. Use the show collections command to check whether the collection has been created.

How to create a database in MongoDB

In order to create a database in MongoDB, you need to perform the following simple steps:

1. Open MongoDB Shell

Open MongoDB Shell using a terminal or command prompt:

 <code>mongo</code>

2. Use the use command

Use the use command to specify the name of the database to be created. For example, to create a database named my_db , enter:

 <code>use my_db</code>

3. Check creation

Execute the <code>db</code> command to check if the database has been created:

 <code>db</code>

The output should display the name of the database you are currently using, in which case my_db .

4. Create a collection (optional)

Once you have created the database, you can start creating collections (similar to tables in relational databases). To create a collection called users , enter:

 <code>db.createCollection("users")</code>

5. Check collection creation

Execute the <code>show collections</code> command to check if the collection has been created:

 <code>show collections</code>

The output should display a list of collections, including the users collection.

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