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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

Dealing with different data types


As we've seen in the previous section, QlikView offers a complete toolbox for dealing with data. In this section we will be looking at some of the most important operators and functions for dealing with strings, numbers, dates, and times.

Strings

Strings are pieces of text; in QlikView these are often used to provide context to the numbers. You may have noticed that in the script, strings are always enclosed between single quotes (').

String operators

The most common operation performed on strings is concatenating two or more strings together into a single string. This is achieved by using the & operator, for example:

[First Name] &' '& [Last Name] 

This concatenates the values of First Name and Last Name, with a space between them, into a single string containing the full name.

String functions

The following table shows the most important string functions.

Function

Explanation

Example

Result

len(string)

Returns the length of a string.

len...

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