October 2013
Beginner to intermediate
502 pages
12h 1m
English
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Time for action – testing the transformation that loads the region dimension
In the previous tutorial, you loaded a dimension that stores geographical information. You ran it once, causing the insertion of one record for each city and a special record with values N/A for the descriptive fields. Let's make some changes in the operational database, and run the transformation again to see what happens.
- Launch Squirrel and connect to the
jsdatabase. - Type the following sentence to change the names of the countries to upper case:
UPDATE countries SET country_name = UCASE(country_name)
- Execute it. You may do this by clicking on the Run button or by pressing Ctrl + Enter.
- If the transformation created in the last tutorial is not open, open it again.
- Run the ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.