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SQL Antipatterns
book

SQL Antipatterns

by Bill Karwin
June 2010
Intermediate to advanced
328 pages
7h 51m
English
Pragmatic Bookshelf
Content preview from SQL Antipatterns

Chapter 2Jaywalking

A Netscape engineer who shan’t be named once passed a pointer to JavaScript, stored it as a string, and later passed it back to C, killing 30.

Blake Ross

You’re developing a feature in the bug-tracking application to designate a user as the primary contact for a product. Your original design allowed only one user to be the contact for each product. However, it was no surprise when you were requested to support assigning multiple users as contacts for a given product.

At the time, it seemed simple to change the database to store a list of user account identifiers separated by commas, instead of the single identifier it used before.

Soon your boss approaches you with a problem. “The engineering department has been adding ...

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Publisher Resources

ISBN: 9781680500073Errata Page