Book Image

QlikView for Developers

By : Miguel Angel Garcia, Barry Harmsen
Book Image

QlikView for Developers

By: Miguel Angel Garcia, Barry Harmsen

Overview of this book

QlikView is one of the most flexible and powerful Business Intelligence platforms around. If you want to build data into your organization, build it around QlikView. Don't get caught in the gap between data and knowledge – find out how QlikView can help you unlock insights and data potential with ease. Whether you're new to QlikView or want to get up to speed with the features and functionality of QlikView, this book starts at a basic level and delves more deeply to demonstrate how to make QlikView work for you, and make it meet the needs of your organization. Using a real-world use-case to highlight the extensive impact of effective business analytics, this book might well be your silver bullet for success. A superb hands-on guide to get you started by exploring the fundamentals of QlikView before learning how to successfully implement it, technically and strategically. You'll learn valuable tips, tricks, and insightful information on loading different types of data into QlikView, and how to model it effectively. You will also learn how to write useful scripts for QlikView to handle potentially complex data transformations in a way that is simple and elegant. From ensuring consistency and clarity in your data models, to techniques for managing expressions using variables, this book makes sure that your QlikView projects are organized in a way that's most productive for you and key stakeholders.
Table of Contents (24 chapters)
QlikView for Developers
Credits
About the Authors
Acknowledgements
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
Index

Chapter 8. Scripting

In the previous chapter, we looked at building the frontend objects for use in dashboards, analyses, and reports. While it may be tempting to keep working on the frontend, we still have a bit of work to do on the backend. Very often input data is not in the exact same format as is required in the target data model, so in this chapter we will look at how we can use QlikView's built-in scripting language to transform our data.

We will first look at the script editor and some of the most important script statements, and see how we can use them to manipulate tables and control the flow of the script. This is followed by a look at some of the most commonly used functions for dealing with conditions and various data types. As QlikView scripts can get quite big and complex we will look at some ways in which we can debug our scripts. Next, we look at how we can properly organize and standardize our scripts so that they are easy to understand and maintain. We conclude this chapter...