October 2022
Intermediate to advanced
380 pages
9h 35m
English
Content preview from SQL Antipatterns, Volume 1
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Many of life’s failures are people who did not realize how close they were to success when they gave up.
Thomas A. Edison
Chapter 26Foreign Key Mistakes in Standard SQL
Foreign keys are part of the ANSI/ISO SQL standard, so many types of foreign key mistakes will be mistakes regardless of the specific brand of SQL database you use. This chapter is a collection of mini-antipatterns about those types of foreign key constraints, based on questions asked frequently by developers on public internet forums.
Each incorrect example is followed by the error returned by MySQL 8.0. The error message may be different in another version of MySQL, or in other brands of SQL databases. Following the description of the error and other consequences of 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.