mysql 外键约束不能重名ERROR 1005 (HY000): Can't create table 'prize.tb_power' (errno: 121)
且先看如下sql语句,直接看有标颜色部分31CREATETABLEIFNOTEXISTS`prize`.`tb_group`(32`gid`INTNULLAUTO_INCREMENT,33`name`VARCHAR(45)NOTNULL,34PRIMARYKEY(`gid`))35ENGINE=InnoDB36DEFAULTCHARACTERSET=utf837COLLATE=utf8_gener