Book Image

QlikView: Advanced Data Visualization

By : Miguel Angel Garcia, Barry Harmsen, Stephen Redmond, Karl Pover
Book Image

QlikView: Advanced Data Visualization

By: Miguel Angel Garcia, Barry Harmsen, Stephen Redmond, Karl Pover

Overview of this book

QlikView is one of the most flexible and powerful business intelligence platforms around, and if you want to transform data into insights, it is one of the best options you have at hand. Use this Learning Path, to explore the many features of QlikView to realize the potential of your data and present it as impactful and engaging visualizations. Each chapter in this Learning Path starts with an understanding of a business requirement and its associated data model and then helps you create insightful analysis and data visualizations around it. You will look at problems that you might encounter while visualizing complex data insights using QlikView, and learn how to troubleshoot these and other not-so-common errors. This Learning Path contains real-world examples from a variety of business domains, such as sales, finance, marketing, and human resources. With all the knowledge that you gain from this Learning Path, you will have all the experience you need to implement your next QlikView project like a pro. This Learning Path includes content from the following Packt products: • QlikView for Developers by Miguel Ángel García, Barry Harmsen • Mastering QlikView by Stephen Redmond • Mastering QlikView Data Visualization by Karl Pover
Table of Contents (25 chapters)
QlikView: Advanced Data Visualization

Common QlikView application issues

Along with issues that concern expressions or object properties, we also tend to discover issues related to the data, load script, or model at the moment we create visualizations. Let's review the common issues based on their source in the following sections.

Common QlikView data model issues

We always have to be prepared to review previous steps in the development process when we are diagnosing and fixing a data visualization issue.

All expression values are exactly the same

The following screenshot is an example of what happens when the field that we use as a dimension has no relationship with the field(s) that we use in an expression:

This issue is especially common when we are making quick adjustments to a data model and delete a key field or rename it in only one table, thus breaking an existing link. Another reason may also be that we mistakenly add a field from a legitimate island table to a chart.

When we notice the issue illustrated in the previous...