Chapter 7. Persisting Data with MongoDB
With almost any application written for the Web nowadays, a highly interactive application is of limited value if the interactions of its users aren't permanently saved. The most common way to handle this requirement is with a database that permanently saves data to the filesystem. Imagine a world where all of the data for your application (registered users, order transactions, and social interactions) were all stored within the temporary memory of the server the application is running on. The moment that server is turned off or rebooted, all of your application that would be lost. Relying on a database to store this data permanently is crucial to the success of any dynamic application.
In this chapter, the ...
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