April 2010
Beginner
492 pages
11h 28m
English
Content preview from Pentaho 3.2 Data Integration: Beginner's GuideBecome 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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Time for action – testing the transformation that keeps a historyof product changes
- In the previous tutorial you loaded a dimension with products by using a Dimension lookup/update step. You ran the transformation once, causing the insertion of one record for each product and a special record with values
n/afor the descriptive fields. Let's apply some changes in the operational database, and run the transformation again to see how the Dimension lookup/update step keeps history. - In MySQL Query Browser, open the script
update_jumbo_products.sqland run it. - Switch to Spoon.
- If the transformation created in the last tutorial is not open, open it again.
- Run the transformation. Explore the
js_dwdatabase again. Press Open SQL for [lk_puzzles] and type ...
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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.