请查看以下语句和输出： mysql> SHOW GRANTS FOR jsmith; +---------------------------------------------+ | Grants for jsmith@% | +---------------------------------------------+ | GRANT USAGE ON *.* TO 'jsmith'@'%' | | GRANT UPDATE(Name) ON `world`.`country` TO 'jsmith'@'%' | +---------------------------------------------+ 2 rows in set (0.00 sec) 以下哪两个 SQL 语句可以被 jsmith 执行？ B UPDATE world.country SET Name='one' LIMIT 1; E UPDATE world.country SET Name='all';