A.They are pulled from the master to the slave.

B.They contain events that describe only administrative commands run on the master.

C.They are pushed from the master to the slave.

D.They contain events that describe all queries run on the master.

E.They contain events that describe database changes on the master.

A.The lock is an intentional lock.

B.The lock is at the metadata object level.

C.The lock is a shared lock.

D.The lock is an exclusive lock.

E.The lock is at the table object level.

F.The lock is a row-level lock.

A.MySQL Router is configured based on the information in files in directory_path.

B.MySQL Router is restarted.

C.MySQL Router configures all the cluster nodes based on the information retrieved from the InnoDB cluster metadata server.

D.MySQL Router configures itself based on the information retrieved from the InnoDB cluster metadata server.

A.SELECT id, name FROM user WHERE id=23 OR id=32 AND 1=1;

B.SELECT id, name FROM user WHERE id=23 OR id=32 OR 1=1;

C.SELECT id, name FROM user WHERE user.id=(SELECT members.id FROM members);

D.SELECT user, phone FROM customers WHERE name = '\; DROP TABLE users; --';

E.SELECT email,passwd FROM members
WHERE email = 'INSERT INTO members('email','passwd') VALUES ('[email protected]',
'secret');--';

F.SELECT user,passwd FROM members
WHERE user = '?';INSERT INTO members('user','passwd') VALUES
('[email protected]','secret');--';

A.general query log

B.slow query log

C.audit log

D.binary log

E.error log