Book Image

Guide to NoSQL with Azure Cosmos DB

By : Gaston C. Hillar, Daron Yöndem
Book Image

Guide to NoSQL with Azure Cosmos DB

By: Gaston C. Hillar, Daron Yöndem

Overview of this book

Cosmos DB is a NoSQL database service included in Azure that is continuously adding new features and has quickly become one of the most innovative services found in Azure, targeting mission-critical applications at a global scale. This book starts off by showing you the main features of Cosmos DB, their supported NoSQL data models and the foundations of its scalable and distributed architecture. You will learn to work with the latest available tools that simplify your tasks with Cosmos DB and reduce development costs, such as the Data Explorer in the Azure portal, Microsoft Azure Storage Explorer, and the Cosmos DB Emulator. Next, move on to working with databases and document collections. We will use the tools to run schema agnostic queries against collections with the Cosmos DB SQL dialect and understand their results. Then, we will create a first version of an application that uses the latest .NET Core SDK to interact with Cosmos DB. Next, we will create a second version of the application that will take advantage of important features that the combination of C# and the .NET Core SDK provides, such as POCOs and LINQ queries. By the end of the book, you will be able to build an application that works with a Cosmos DB NoSQL document database with C#, the .NET Core SDK, LINQ, and JSON.
Table of Contents (13 chapters)
Title Page
Packt Upsell

Understanding the main classes of the Cosmos DB SDK for .NET Core

The Microsoft.Azure.DocumentDB.Core NuGet package provides the client library for .NET Core to connect to Azure Cosmos DB through the SQL API. This package is essential for working with Cosmos DB in any .NET Core application. We will analyze some of the most important classes of Microsoft.Azure.DocumentDB.Core Version 2.0.0 before we start working on the first version of the application.


The following diagram shows the different resources that belong to a Cosmos DB account: a document database and a collection with the names of the class or classes of the Azure Cosmos DB client library, which will represent each resource below the resource name in bold. We will work with many of these classes in the first version of our application and in its next version. Note that the diagram is not a class diagram, and therefore, the arrows don't mean inheritance. The diagram shows the structure of the different resources and the classes...