这是来自的mysqlselect distinct city from station where city not regexp '^[aeiou]' and city notregexp '[aeiou]$'select distinct city from station where city not regexp '^[aeiouAEIOU*[aeiouAEIOU]
对于我们在mySQL中使用以下语句创建的每个新用户"SHOW GRANTS“仅显示"USAGE但是用户能够选择、插入、..在"test“和"information_schema”数据库上,我无法使用下面给出的revoke语句撤销"test“上的这些权限。There is no such grant defined for u