256. How Does Angular Interact With Backends

Jul 21, 2026 05:59 · 3:09 · English · Whisper Turbo · 2 Altofalantes
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S… Speaker 2 (256. How Does Angular Interact With Backends)
So how does Angular connect to a database or how do you connect
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S… Speaker 2 (256. How Does Angular Interact With Backends)
Angular to a database in your application?
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S… Speaker 1 (256. How Does Angular Interact With Backends)
Well,
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S… Speaker 1 (256. How Does Angular Interact With Backends)
of course,
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it is a use case that you will often have.
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In your Angular app,
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you generate data like posts or recipes or whatever you have
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in your application.
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And you wanna store that data in a database and also fetch it from there when
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your app restarts,
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when a user revisits your page and so on.
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And it doesn't matter which kind of database we're talking about,
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if that's a SQL or NoSQL database,
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doesn't really matter.
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S… Speaker 1 (256. How Does Angular Interact With Backends)
The thing is,
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you don't connect Angular to a database directly.
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That means you don't enter your database credentials into your Angular app
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or anything like that.
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This would be highly insecure because everyone can read your
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Angular code.
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Since it's a front -end JavaScript application,
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everyone can inspect the code there.
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S… Speaker 2 (256. How Does Angular Interact With Backends)
And that is fine,
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but that also means you must not store credentials in there,
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for example.
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S… Speaker 2 (256. How Does Angular Interact With Backends)
And you will learn how you can still authenticate users and so on later in the authentication
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section,
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S… Speaker 2 (256. How Does Angular Interact With Backends)
but you definitely don't want to store database credentials.
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S… Speaker 2 (256. How Does Angular Interact With Backends)
For more information on how secure your JavaScript code is,
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S… Speaker 2 (256. How Does Angular Interact With Backends)
you can have a look at an article in a video I attached to this video here.
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S… Speaker 2 (256. How Does Angular Interact With Backends)
So if we don't connect directly to a database,
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S… Speaker 2 (256. How Does Angular Interact With Backends)
what else can we do then?
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S… Speaker 2 (256. How Does Angular Interact With Backends)
Because we certainly don't wanna have our standalone,
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independent,
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unconnected Angular app.
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S… Speaker 2 (256. How Does Angular Interact With Backends)
Well, you send HTTP requests and you get HTTP responses
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to and from a server.
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S… Speaker 2 (256. How Does Angular Interact With Backends)
A server in the end is defined as an API here.
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S… Speaker 2 (256. How Does Angular Interact With Backends)
That means it is,
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S… Speaker 2 (256. How Does Angular Interact With Backends)
for example,
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S… Speaker 2 (256. How Does Angular Interact With Backends)
a REST API or a GraphQL API you are communicating with.
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S… Speaker 2 (256. How Does Angular Interact With Backends)
And in this course,
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S… Speaker 2 (256. How Does Angular Interact With Backends)
we'll use a REST API,
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which is the most common form of API you work with.
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Now,
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such a API in the end is
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almost like a normal website,
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but when you visit its URLs,
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you're not getting back HTML,
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but you're getting back data,
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mostly in the JSON format.
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And if you wanna learn more about REST APIs in general,
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you'll also find some helpful resources related to that attached to this video.
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And I have a whole course,
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my Node .js course,
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where I also teach you how to create such APIs.
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Because you don't use Angular for the creation of these APIs,
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S… Speaker 2 (256. How Does Angular Interact With Backends)
you use server -side languages like Node .js or PHP instead,
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S… Speaker 2 (256. How Does Angular Interact With Backends)
but you can communicate with these APIs with Angular.
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S… Speaker 2 (256. How Does Angular Interact With Backends)
And on that server,
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S… Speaker 2 (256. How Does Angular Interact With Backends)
you then can have code that does interact with a database
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to store and fetch data.
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S… Speaker 1 (256. How Does Angular Interact With Backends)
And of course,
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there are more reasons for communicating with a server than for storing
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or fetching data.
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It's not just about database access.
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You could be uploading files or you could be sending some analytics to
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a backend or any other reason for why you might need to
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talk to some backend server.
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Now in this module,
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we will not write such a backend from scratch since this is way
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beyond the scope of the course and totally not Angular's job.
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but I will show you how to use a free dummy backend,
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which could of course be replaced by any real backend you have,
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to send requests,
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to use responses,
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and so on.

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