Book Image

RavenDB 2.x Beginner's Guide

By : Khaled Tannir
Book Image

RavenDB 2.x Beginner's Guide

By: Khaled Tannir

Overview of this book

RavenDB is a second generation document database written in .NET, offering a flexible data model designed to address requirements coming from real-world systems. It is different from the other document databases around, as with RavenDB you can get up and running in a few minutes, and that includes grasping all the basics. It allows you to build high-performance, low-latency applications with ease and efficiency.RavenDB 2.x Beginner's Guide introduces RavenDB concepts and teaches you everything, right from installing RavenDB, to creating documents, and querying indexes. This book will help you take advantage of powerful, document-oriented NoSQL databases and build a solid foundation on which you can create your .NET applications. This book presents RavenDB, the .NET document-oriented NoSQL database, through a series of clear and practical exercises that will help you to take advantage of this database server. The book starts off with an introduction to RavenDB and its Management Studio. You will then move ahead and learn how to quickly and efficiently build high performance, NoSQL document-oriented .NET applications using the .NET client API or the HTTP REST API. Next, Dynamic and static indexes that use map/reduce to process datasets are covered. You will then see how to create and query these indexes, with the help of detailed examples. You will also learn how to deploy your RavenDB server in a production environment and how to optimize and secure it.With numerous practical examples, RavenDB 2.x Beginner's Guide teaches you everything you need to know for building high performance .NET document-oriented NoSQL databases.
Table of Contents (21 chapters)
RavenDB 2.x Beginner's Guide
Credits
About the Author
Acknowledgments
About the Reviewers
www.PacktPub.com
Preface
Index

Time for action – adding a custom metadata key


You will open a document from the Orders database in the Management Studio, add a new metadata key, and set its value.

  1. In the Management Studio, open the Document screen.

  2. Double-click on the document with the ID = Orders/B765760 (chosen arbitrary) to open it in the edit mode.

  3. Click on the Metadata tab to display metadata related to the document.

  4. Add a new custom metadata key-value, Developer-Name, and set its value to Khaled.

  5. Click on the Save button to make the changes permanent.

What just happened

You just loaded a document and added a new custom metadata key.

Metadata are key-value pairs and are stored using the JSON format. Each document may have more than one metadata. The metadata document begins with { (left brace) and ends with } (right brace).

Each key is followed by : (colon) and the key-value pairs are separated by , (comma).

So the Developer-Name represents the key name and Khaled represents the value assigned to that key name.

Note that...