mysql中如何设置zhang3用户对test数据库的访问权限()。
A.grant all on test.* to ‘zhang3’@’localhost’ identified by ‘123.com’
B.grant all on *.* to ‘zhang3’@’localhost’ identified by ‘123.com’
C.grant all on zhang3.* to ‘test’@’localhost’ identified by ‘123.com’
D.grant all on test.* to ‘test’@’localhost’ identified by ‘123.com’