June 2010
Intermediate to advanced
328 pages
7h 51m
English
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How to Recognize the Antipattern
If you hear the following statements from members of your project, it could indicate a case of the Spaghetti Query antipattern:
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“Why are my sums and counts impossibly large?”
An unintended Cartesian product has multiplied two joined data sets.
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“I’ve been working on this monster SQL query all day!”
SQL isn’t this difficult—really. If you’ve been struggling with a single query for too long, you should reconsider your approach.
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“We can’t add anything to our database report, because it will take too long to figure out how to recode the SQL query.”
The person who coded the query will be responsible for maintaining it forever, even if they have moved on to other projects. That person could be you, so don’t ...
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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.