Book Image

Azure for Developers. - Second Edition

By : Kamil Mrzygłód
5 (1)
Book Image

Azure for Developers. - Second Edition

5 (1)
By: Kamil Mrzygłód

Overview of this book

Microsoft Azure is currently one of the fastest growing public cloud service providers thanks to its sophisticated set of services for building fault-tolerant and scalable cloud-based applications. This second edition of Azure for Developers will take you on a journey through the various PaaS services available in Azure, including Azure App Service, Azure Functions, and Azure SQL Databases, showing you how to build a complete and reliable system with ease. Throughout the book, you’ll discover ways to enhance your skills when building cloud-based solutions leveraging different SQL/NoSQL databases, serverless and messaging components, containerized solutions, and even search engines such as Azure Cognitive Search. That’s not all!! The book also covers more advanced scenarios such as scalability best practices, serving static content with Azure CDN, and distributing loads with Azure Traffic Manager, Azure Application Gateway, and Azure Front Door. By the end of this Azure book, you’ll be able to build modern applications on the Azure cloud using the most popular and promising technologies to make your solutions reliable, stable, and efficient.
Table of Contents (32 chapters)
Part 1: PaaS and Containers
Part 2: Serverless and Reactive Architecture
Part 3: Storage, Messaging, and Monitoring
Part 4: Performance, Scalability, and Maintainability

Querying data using theAzure Stream Analytics query language

The strength of Azure Stream Analytics—besides the rich selection of Azure services that seamlessly integrate with it—lies in its query language, which allows you to analyze an input stream easily and output it to a required service. As it is a SQL-like language, it should be intuitive and easy to learn for most developers using this service. Even if you are not familiar with SQL, the many examples available and its simple syntax should make it easy for you.

Writing a query

In the Azure portal, the query window for Azure Stream Analytics can be found either in the Overview or Query blade. It looks like this:

Figure 14.9 – The Query window in the Overview blade

In the preceding example, you can see a simple SQL-like query that performs the following three actions:

  • Selects data from the input using the given alias
  • Chooses...