Now, we did explore SQL.
In this course section, we're going
to dive into NoSQL databases.
And, of course, a couple of sections ago,
I already gave you a first comparison of these two systems.
So, definitely make sure you have a look
at that section again, where I introduce you
to databases in general, in order
to understand why we have SQL and NoSQL,
and what the general differences are.
In this course section, we are, of course,
going to have a closer look at how NoSQL databases work,
what the idea is, and which databases we have there,
which databases we can install.
And we're then going to install MongoDB,
a very popular and common NoSQL database system.
And we'll see how we can install that and set it up
and how we can then, most importantly,
use it for running CRUD operations.
So, for inserting data, storing data,
updating and deleting data and, of course,
also fetching data with different queries.
So, basically, what we also did with SQL,
but now with NoSQL and, therefore,
quite different, as you will see.
My strong recommendation is that you do complete
the SQL sections first, before you dive
into this one here, so that you, thereafter,
really have a good understanding of which different systems
we have, and why we have them, and how they work and differ.