Code Quality

A study by Reasoning, the leading provider of automated software inspection (ASI) services, concluded that the code quality of MySQL ranks higher than commercial equivalents.

Specifically, Reasoning found that:

• MySQL code quality was 6x better than that of comparable proprietary code
• MySQL benefits from the large communities of programmers who "battle test" the code
• MySQL benefits from users who not only report bugs, but track down their root cause and fix them

MySQL has a defect density that is about six times lower than comparable proprietary projects.

A follow up study by Coverity found that MySQL had an average of one bug in every 4,000 lines of code --results that are more than four times better than is typical with commercial software. MySQL has used Coverity products to detect and fix:

• Crash Causing Defects
• Performance Degradation
• Security Vulnerabilities

MySQL Network certified software is tested on more than ten different platforms using tools from Coverity and Klocwork.

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