Persisting to Databases

In the world of application development, being able to save and retrieve data is essential. Imagine you’re building a game where you need to keep scores or a social media application where users need to save their profiles and posts. A lot of the time, a traditional relational database is what you need for this. It’s like an organized filing system where everything has its place in neat tables, and these tables can relate to each other in specific ways. For instance, one table might store information about books while another stores information about authors, and links between the two can show which author wrote which book.

But what if your data doesn’t fit into this structured format? What if you’re dealing with something more flexible or unpredictable, such as posts on a social media feed where some posts have images, some have videos, and others have just text? This is where non-relational, or NoSQL, databases come in. They...