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

Creating a new document database with the SQL API

We have a Cosmos DB account that works with the SQL API but we still don't have a database. Now we will continue working with the Azure web-based portal and we will create a new document database in the previously created account. We must take into account that we can use other tools, which we will analyze later, to perform this task. It is also possible to automate the task through scripting and to create a new database by using one of the available SDKs. However, it is a good idea to learn how things work in the portal first:

  1. Make sure you are on the page for the Cosmos DB account in the portal. Click on the Data Explorer option on the left-hand side menu. The portal will display the Data Explorer panel, which will allow us to work with the databases for the current Cosmos DB account. In this case, the panel won't list any databases because we haven't created any yet.
  2. Click onNew Databasein the toolbar located at the top of the panel. The...