导入sql文件时报错：
ERROR 1449 (HY000): The user specified as a definer ('skip-grants user'@'skip-grants host') does not exist
解决方式如下(红色字体即为上述括号里的内容)
mysql> grant all privileges on *.* to 'skip-grants user'@'skip-grants host' identified by ".";
再次执行source，导入sql文件，不再报错。
结束。