January 2016
Beginner to intermediate
166 pages
3h 18m
English
Content preview from QlikView EssentialsBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 4. Data Modeling Challenges
In creating a data model, you will come across challenges in terms of different formats of data, loading multiple fact tables, and performance issues. There are techniques to resolve these challenges.
In this chapter we shall:
- Learn about loading a Crosstable
- Learn about the
Autonumberfunction - Learn about creating a link table to load multiple fact tables
- Learn about variable overview
- Learn about creating a master calendar
- Handle SCD using IntervalMatch
- Store and read data from QVDs (QlikView data files)
- Learn about optimized load
- Discuss best practices for data modeling
Crosstable essentials
In your downloaded folder, look at EmployeeSalesTarget.xls. This file is located in C:\QlikViewEssentials\Data.
Some of the properties ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.