A.create user tom@’localhost’identified by’123’
B.drop user tom@’localhost’
C.add user tom@’%’identified by’123456’
D.alter user tom@’localhost’identified by’123456’
A.JAVA環(huán)境
B.PYTHON環(huán)境
C.PEARL環(huán)境
D.以上都不是
A.3306
B.6606
C.8806
D.9906