MongoDB databases
Each MongoDB server instance can store several databases. Unless specifically defined, the MongoDB shell will automatically connect to the default test
database. Let's switch to another database called mean
by executing the following command:
> use mean
You'll see a command-line output telling you that the shell switched to the mean
database. Notice that you didn't need to create the database before using it because in MongoDB, databases and collections are lazily created when you insert your first document. This behavior is consistent with MongoDB's dynamic approach to data. Another way to use a specific database is to run the shell executable with the database name as an argument, as follows:
$ mongo mean
The shell will then ...
Get MEAN Web Development now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.