Book Overview & Buying
Table Of Contents
Feedback & Rating

ServiceNow Application Development

By : Gupta

4.1 (10)

Buy this Book

ServiceNow Application Development

4.1 (10)

By: Gupta

Buy this Book

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

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

Introduction to ServiceNow

Creating a developer account

Summary

User Administration

Creating a new user

Best practices for managing groups

Impersonating a user

Summary

Data Management

Database structure

Key table-management modules

Creating a table

Task table

Configuration management table

Extending the configuration table

Summary

Application Scopes

Application architecture

ServiceNow applications

Creating a new application

Creating application artifacts

Accessing information in different scopes

Summary

Modules, Forms, and Views

Creating a new module

Different module link types

Managing module order

Summary

Introduction to ServiceNow Scripting

Different script types

Execution order of scripts

Client-side Glide API

Server-side Glide API

Scripting in scoped applications

Summary

Client-Side Scripting

Client scripts

UI policies

UI scripts

Disabling client-side scripts

Summary

Server-Side Scripting

Business rules

Script includes

UI actions

Summary

Jelly Scripting

Jelly scripts

UI pages

UI macros

Summary

Events and Notifications

Events

Script actions

Notifications

Summary

Workflow Development

Workflow basics

Using workflow editor

Workflow activities

REST calls using a workflow

Summary

Debugging in ServiceNow

Syntax editor

Script Debugger

JavaScript Log

Field Watcher

Summary

Advanced Database Features

Relationships

Dictionary override

Database indexing

Table auditing

Restoring deleted records

Database rotation

Data archiving

Summary

Job Scheduling and Data Export-Import

Scheduled script execution

Exporting data

Importing data using Import Sets

Summary

Customer Reviews

4.1 (10)

5 star

60%

4 star

20%

3 star

2 star

10%

1 star

10%

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: