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  • Book Overview & Buying Mastering QlikView
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Mastering QlikView

Mastering QlikView

By : Stephen Redmond
4.5 (10)
Buy this Book
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Mastering QlikView

Mastering QlikView

4.5 (10)
By: Stephen Redmond
Buy this Book

Overview of this book

If you are a business application developer or a system analyst who has learned QlikView and Qlik Sense and now want to take your learning to a higher level, then this book is for you. It is assumed that you are aware of the fundamentals of QlikView and have working knowledge of development and in-memory analytics.
Table of Contents (9 chapters)
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Preface
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Preface
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Qlik Sense
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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Downloading the example code
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1
1. Performance Tuning and Scalability
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1. Performance Tuning and Scalability
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Reviewing basic performance tuning techniques
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Generating test data
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Understanding how QlikView stores its data
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Strategies to reduce the data size and improve performance
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Testing chart performance for different load options
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Optimizing chart calculation times
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The QlikView calculation engine
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Using Direct Discovery
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Testing scalability with JMeter
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Running an example execution
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Summary
2
2. QlikView Data Modeling
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2. QlikView Data Modeling
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Reviewing basic data modeling
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Dimensional data modeling
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Handling slowly changing dimensions
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Dealing with multiple fact tables in one model
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Drilling across with document chaining
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Summary
3
3. Best Practices for Loading Data
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3. Best Practices for Loading Data
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Reviewing data loading concepts
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Understanding why you should use an ETL approach
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Using an ETL approach to create QVD data layers
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Mastering loading techniques
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Using QlikView Expressor for ETL
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Summary
4
4. Data Governance
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4. Data Governance
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Reviewing basic concepts of data governance
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Establishing descriptive metadata
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Extracting metadata
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Deploying the QlikView Governance Dashboard
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Summary
5
5. Advanced Expressions
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5. Advanced Expressions
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Reviewing basic concepts
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Understanding Dollar-sign Expansion
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Using advanced Set Analysis
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Calculating vertically
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Summary
6
6. Advanced Scripting
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6. Advanced Scripting
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Reviewing the basic concepts
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Counting records
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Loading data quickly
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Applying variables and the Dollar-sign Expansion in the script
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Using control structures
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Examining advanced Table File Wizard options
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Looking at data from different directions
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Reusing code
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Summary
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7. Visualizing Data
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7. Visualizing Data
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Reviewing the history of data visualization
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Understanding the audience
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Designing effective visualizations
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Summary
8
Index
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Index

Chapter 6. Advanced Scripting

 

"In my opinion, the vast majority of scripts written … are not very original, well-written, or interesting. It has always been that way, and I think it always will be."

 
 --Viggo Mortensen

In anything more than the simplest of QlikView applications, the script is where we spend a very large percentage of our development time.

When we discussed the performance tuning of our applications (Chapter 1, Performance Tuning and Scalability), we discussed that almost all of the effort to make our applications more efficient and to consume less memory will be made in the script. Even when we tune expressions in the frontend, then this is more than likely going to be supported by script work.

All data modeling work is going to be in the script. Of course, implementing an ETL process is something that we do in the script. We can use the script to simplify advanced expressions.

Almost everything we discussed in this book so far is either...

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Mastering QlikView
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