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 – patching a document


You will learn how to patch the document with the ID Orders/A655302 using a patching script that combines the JavaScript and parameters.

  1. In the Management Studio, select the Orders database to be the current database and click on the Patch tab to show the Patch screen.

  2. In the Patch type list, select the Document type.

  3. In the Document to patch textbox, enter Orders/A655302, which is the ID of the document we want to patch, and press Enter.

  4. Click on the Add new Parameter button (the green plus sign to the right of the Parameters section) to add a new parameter.

  5. Enter ItemName for the Name and Ink Pen for the Value.

  6. In the Patch Scripts zone, enter the following JavaScript code snippet:

    this.UnitCost = this.UnitCost * 1.15
    this.Item = ItemName
  7. Click on the Test button to test the patch script on the selected document.

  8. Observe the changes in the After Patch section and verify that the document has new fields value.

  9. Click on the Patch button to execute the patch scripts...