Book Image

ServiceNow Application Development

By : Sagar Gupta
Book Image

ServiceNow Application Development

By: Sagar Gupta

Overview of this book

ServiceNow provides service management for every department in the enterprise, including IT, Human Resources, Facilities, Field Service, and more. This book focuses on all the steps required to develop apps and workflows for any of your business requirements using ServiceNow. You will start with the first module, which covers the basics of ServiceNow and how applications are structured; how you can customize the dashboard as required; and also how to create users. After you get used to the dashboard, you will move on to the next module, Applications and Tables, where you will learn about working with different tables and how you can create a scope other than the global scope for your application. The next module is Scripting and APIs, where you will learn Scripting in ServiceNow and use powerful APIs to develop applications. The final module, Administration Essentials, covers debugging, advanced database features, and scheduled script creation. By the end of the book you will have mastered creating organized and customer-friendly applications
Table of Contents (21 chapters)
Title Page
About the Author
About the Reviewer
Customer Feedback
Free Chapter
Introduction to ServiceNow

Database rotation

The longer an instance runs and usage increases, the amount of data stored in tables increases over a period of time. More and more system logs and tasks are created each day causing the datasets to increase in size and negatively impact the database performance. Systems tasks, such as indexing can further impact the performance when the dataset in question is huge.

The database rotation feature available in the ServiceNow platform can be used to improve the database performance and avert any unknown risks associated with large datasets. The database rotation can be used to separate a large dataset into smaller ones thus improving the system performance.

The database rotation feature offers two possible techniques to administrator and to improve the performance by reducing the amount of data in a table:

  • Table rotation: A table rotation works by creating a subset of data at a regular specified interval and maintains the records in subset tables till the number of rotations...