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Creating GraphQL APIs with ASP.Net Core for Beginners

Understood GraphQL specifications as well as use of GraphQL dotnet library for creating GraphQL API & Client

4.35 / 5.0
2364 students3 hours 19 minutes

Created by Nilay Mehta, offered on Udemy

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Student feedback

5/10

To make sure that we score courses properly, we pay a lot of attention to the reviews students leave on courses and how many students are taking a course in the first place. This course has a total of 2364 students which left 62 reviews at an average rating of 4.35, which is average.

Course length

9/10

We analyze course length to see if courses cover all important aspects of a topic, taking into account how long the course is compared to the category average. This course has a length of 3 hours 19 minutes, which is pretty short. This might not be a bad thing, but we've found that longer courses are often more detailed & comprehensive. The average course length for this entire category is 4 hours 58 minutes.

Overall score

5.5/10

This course currently has a bestcourses score of 5.5/10, which makes it an average course. Overall, there are probably better courses available for this topic on our platform.

Description

GraphQL is a language for APIs that enables you to query and manipulate data easily through an intuitive and flexible syntax.

GraphQL is an open-source data query and manipulation language for APIs.

GraphQL was developed internally by Facebook in 2012 before being publicly released in 2015.

It is used in many server-side languages like Java, Node, Ruby, Python, PHP, Go, and obviously dotnet too. And APIs created using GraphQL can easily accessible by almost languages like JavaScript, Android, Swift, Python, PHP, Java, and dotnet.

In a GraphQL request, you specify how to structure the data when it’s returned by the server. This makes it possible for you to query only the data you need, in the format you need. This results in better network utilization and performance, especially on mobile devices.

The course outline includes:

  • Introduction to GraphQL. And understood how it’s different from RESTful APIs.

  • Create basic GraphQL queries. As well as with Arguments and aliases.

  • Using fragments and inline fragments on the type to select specific fields.

  • Using variables for passing data via query variable, and directives to obtain fields based on condition.

  • Use paging to retrieve data as page wise and with sorting order.

  • Understood what schema is and learn about each type supported by GraphQL.

  • Use of Introspection for obtaining schema or type related details.

  • Create a server-side project with Entity Framework core and GraphQL dotnet library.

  • Use mutation for insert, update, or delete operation.

  • Using subscription for creating an event stream.

  • Implement Authentication for queries based on JWT Identity.

  • Validation of query and Exception handing from the server-side.

  • And executing queries and mutations from client-side project using C#.

What you will learn

  • Understood GraphQL specifications
  • Write GraphQL queries
  • Create own GraphQL APIs
  • Consume GraphQL API from dotnet client

Requirements

  • Basic concepts of C#
  • Basic ASP dotnet development
  • Visual Studio 2019
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  • Price: $29.99
  • Platform: Udemy
  • Language: English
  • 3 hours 19 minutes
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bestcourses score: 5.5/10

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