Book Image

Mastering ServiceNow - Second Edition

Book Image

Mastering ServiceNow - Second Edition

Overview of this book

ServiceNow is a SaaS application that provides workflow form-based applications. It is an ideal platform for creating enterprise-level applications giving requesters and fulfillers improved visibility and access to a process. ServiceNow-based applications often replace email by providing a better way to get work done. The book steps through the main aspects of the ServiceNow platform, from the ground up. It starts by exploring the core architecture of ServiceNow, including building the right data structure. To add business logic and control data, and interactivity to user interaction, you will be shown how to code on both server and the client. You will then learn more about the power of tasks, events and notifications. The book will then focus on using web services and other mechanisms to integrate ServiceNow with other systems. Furthermore, you will learn how to secure applications and data, and understand how ServiceNow performs logging and error reporting. You will then be shown how to package your applications and changes, so they can be installed elsewhere and ways to maintain them easily. If you wish to create an alternative simple interface, then explore ways to make ServiceNow beautiful using Service Portal. By the end of the book, you will know the fundamentals of the ServiceNow platform, helping you be a better ServiceNow System Administrator or developer.
Table of Contents (18 chapters)
Mastering ServiceNow Second Edition
Credits
Notice
About the Author
About the Reviewer
www.PacktPub.com
Preface

Flattening data with Database Views


Database Views take information as it is stored and present it in a different way, often combining two different data sources. They appear as a standard table to the user, albeit read-only.

In most situations, Database Views are not strictly necessary. Dot-walking can achieve many requirements. In the background, ServiceNow performs the appropriate joins on the database tables, giving you the data that is needed. Nonetheless, you may need to use them when data is difficult to get to.

Tip

If you wish to provide a predefined data set in reporting, consider using a Report Source. This helps ensure everyone is using a standard set of filters. The product documentation has more:https://docs.servicenow.com/bundle/helsinki-performance-analytics-and-reporting/page/use/reporting/task/t_CreateAReportSource.html.

Creating a Metric Instance Database View

Database Views are useful when working with metric instance records. A Metric Instances table does not contain a regular...