A. delete from MySQL.user B. delete user C. drop root D. truncate user
A. * B. C. *.* D. E. .
A. 要授予的权限 B. 被授予访问权限的数据库或表 C. 用户名 D. 用户密码
A. in B. with C. all D. of
A. GRANT B. UPDATE C. GRAMT D. RENAME USER