今天介绍InnoDB七种锁的第一种：自增锁(Auto-inc Locks)。 (1)事务A先执行insert，会得到一条(4, xxx)的记录，由于是自增列，故不用显示指定id为4，InnoDB会自动增长，注意此时事务并未提交； (2)事务B后执行insert，假设不会被阻塞，那会得到一条(5, ooo)的记录； 画外音 ...

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Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. In this episode, Thomas Betts chats with ...

Last month, American Honda was among the automakers that didn't register a positive performance across the US automotive market, dropping rather steeply by 15.3% to less than 103k units. Still, they ...

A car firm in Norwich has taken home a gong at a national awards ceremony. Auto Refresh won the National Small Service Business of the Year at the National Small Business Awards. The business was ...

If you use Excel 40 hours a week (and those are the weeks you are on vacation), welcome to the MrExcel channel. Home to 2,400 free Excel tutorials. Bill "MrExcel" Jelen is the author of 67 books about ...

Google recently refreshed the Android Auto interface using Material You to match colors with your phone’s wallpaper. As part of the changes, the music player interface now uses wallpaper colors ...

Data wonks, rejoice! Pivot tables now automatically refresh themselves in a new beta version of Microsoft Excel. You might expect that pivot tables—which can be used to summarize rows and columns of ...

Community driven content discussing all aspects of software development from DevOps to design patterns. If you plan to do database development with Java and MySQL, the first thing you’ll need to do is ...

All products featured here are independently selected by our editors and writers. If you buy something through links on our site, Gizmodo may earn an affiliate commission. Reading time 3 minutes Big ...