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MySQL by Robert D. Schneider

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19. Case Study: Friends Fly Free-for-All—A Promotion Gone Wrong

Thanks to your stellar consulting work in helping High-Hat Airways solve the devastating performance problems introduced by its new package-tracking application (see Chapter 18, “Case Study: High-Hat Delivers!”), you are now the official MySQL performance expert for the airline. Of course, there is no budget to increase the number of billable hours that you can work with the airline, but the CIO assures you that in the event of another big performance crisis, you will be the first person called.

That call arrives several weeks later from the CIO’s replacement. Apparently, something went terribly wrong with a promotion the airline ran just after you finished your analysis. ...

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