1.删除: /*!50013 DEFINER=`root`@`localhost` SQL SECURITY DEFINER */ 2.查看增删函数有没有重复 3.删除: set GLOBAL log_bin_trust_function_creators=on; 1. 错误信息 [Err] 1227 - Access denied; you need (at least one of) the SUPER privilege(s) for this operation --常见于 RDS My