Book Image

QlikView Essentials

By : Chandraish Sinha
Book Image

QlikView Essentials

By: Chandraish Sinha

Overview of this book

This guide demonstrates just how easy it is to get started with QlikView and create your own BI application. Featuring an introduction to its core features before exploring how to load data and model it, you’ll soon become more confident that you can take full advantage of QlikView’s capabilities.. You will also learn how to use QVD files with QlikView – and how they offer a simpler way of handling data. After digging deeper into data handling, as you learn how to use mapping tables and create a master calendar, you’ll then find out how to get the most from QlikView’s visualization features – vital if you are to use your data insights effectively. From accessible and user friendly dashboards to strategies and best practices for subjecting data to further analysis, you can be confident that you’ll be prepared to get the most out of your data with QlikView. With details on how to finally secure your application and deploy it for a successful integration in your organization, QlikView Essentials underlines exactly why QlikView is becoming more and more popular for businesses that understand the value of data.
Table of Contents (15 chapters)
QlikView Essentials
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

Mapping table essentials


Mapping tables are very useful in QlikView data modeling. Some of the uses of mapping tables include data cleansing, renaming the data source-specific column names with business-friendly names, and providing comments in the script. The following points discuss some of the components and properties of mapping tables:

  • Mapping load is used to reduce the number of tables in a data model. Mapping prefix is used to create a mapping table. Mapping tables are used only for field mapping and are automatically dropped after script execution.

  • These are usually the look-up tables.

  • Mapping tables must have two columns. Even if the table has more columns, you can use only two columns at a time to achieve mapping table functionality. The same table can be used multiple times in case other columns need to be mapped.

  • The first column is always a key (ID) column. The second column contains the desired mapping value. The first column field name can differ between the mapping table and...