Book Image

QlikView Unlocked

By : Andrew Dove, Roger Stone
Book Image

QlikView Unlocked

By: Andrew Dove, Roger Stone

Overview of this book

QlikView Unlocked will provide you with new insights to get the very best from QlikView. This book will help you to develop skills to work with data efficiently. We will cover all the secrets of unleashing the full power of QlikView, which will enable you to make better use of the tool and create better results for future projects. In the course of this book, we will walk you through techniques and best practices that will enable you to be more productive. You will gain quick insights into the tool with the help of short steps called ”keys,” which will help you discover new features of QlikView. Moving on you will learn new techniques for data visualization, scripting, data modeling, and more. This book will then cover best practices to help you establish an efficient system with improved performance. We will also teach you some tricks that will help you speed up development processes, monitor data with dashboards, and so on. By the end of this book, you will have gained beneficial tips, tricks, and techniques to enhance the overall experience of working with QlikView.
Table of Contents (16 chapters)
QlikView Unlocked
About the Authors
About the Reviewers
Hidden Image List

Multiple selection criteria

When a document is being used, the user usually wants to make a number of selections before evaluating the results. For example, he/she may choose a period, then a client, and finally a product.

This is all well and good, but each time they make one of these selections, the whole screen is recalculated. If you have a document with many rows of data and complex expressions (especially those with Set Analysis overriding selection criteria), it can take a while, meaning that the user is left waiting before they make the next selection.

One way we can help reduce the waiting time is to use one of QlikView's performance enhancements. It doesn't refresh objects that are hidden. So, how do we do it? The following steps will help:

  1. Create a variable and set it to zero.

  2. Make your major object only visible on the content of a variable that is set to zero.

  3. Create a button that toggles this variable between one and zero.

  4. Make a selection panel that is also only visible on the content...