mysql中字段名定义的时候避开关键字。之前我把一个字段定义成了update结果错了，所以避开关键字，但是mysql究竟多少关键字呢？
拓展一下，MYsql的关键字，以后就不要用这些关键字啦
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转载于:https://www.cnblogs.com/c-x-a/p/8585947.html
