多选题What are three actions performed by the mysql_secure_installation tool?（）AIt prompts you to set the root user account passwordBIt checks whether file permissions are appropriate within datadirCIt asks to remove the test database, which is generated at installation timeDIt can delete any anonymous accountsEIt verifies that all users are configuration with the longer password hash
多选题
What are three actions performed by the mysql_secure_installation tool?（）
A
It prompts you to set the root user account password
B
It checks whether file permissions are appropriate within datadir
C
It asks to remove the test database, which is generated at installation time
D
It can delete any anonymous accounts
E
It verifies that all users are configuration with the longer password hash
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