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QlikView for Developers

You're reading from   QlikView for Developers Design and build scalable and maintainable BI solutions

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Product type Paperback
Published in Jun 2017
Publisher Packt
ISBN-13 9781786469847
Length 546 pages
Edition 1st Edition
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Authors (2):
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Miguel  Angel Garcia Miguel Angel Garcia
Author Profile Icon Miguel Angel Garcia
Miguel Angel Garcia
Barry Harmsen Barry Harmsen
Author Profile Icon Barry Harmsen
Barry Harmsen
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Toc

Table of Contents (17) Chapters Close

Preface 1. Meet QlikView FREE CHAPTER 2. What's New in QlikView 12? 3. Seeing is Believing 4. Data Sources 5. Data Modeling 6. Styling Up 7. Building Dashboards 8. Scripting 9. Data Modeling Best Practices 10. Basic Data Transformation 11. Advanced Expressions 12. Set Analysis and Point In Time Reporting 13. Advanced Data Transformation 14. More on Visual Design and User Experience 15. Security Index

Using the TOTAL qualifier

The TOTAL qualifier is added to aggregation functions to disregard chart dimensions and make the calculation over the entire record set as defined by the current selection state.

In a previous section, we calculated the percentage of FTEs each carrier performs relative to the total number of FTEs and we used a variable (vTotalFTEs) to store the divisor value. Instead of using a variable, the same calculation can be made using the following expression:

Sum([# Equivalent FTEs]) / Sum(TOTAL [# Equivalent FTEs])

When the preceding expression is used in a straight table with Carrier Name as the dimension, the numerator will calculate the value corresponding to each carrier, which will be different on each row of the table. The divisor will calculate the total number of flights made by all carriers, which will be the same for all rows of the table, therefore disregarding the dimension value.

Additional modifiers can be used along with the TOTAL qualifier to disregard only...

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