Most applications need some form of persistence—a way to store the data outside the application for safekeeping. The most basic way is to write data to the file system, but that can quickly become a ...

Before delving into how MongoDB and Cassandra are different, let's document what they have in common. They're both databases, obviously. More importantly, they are both examples of NoSQL databases.

The NoSQL database gets its name from what it isn’t: It’s a database that does not use Structured Query Language (SQL) to access the data. Some of the well-known databases, such as Oracle and ...