Q1.Examine this command, which executes successfully:

Q1:mysqlbackup --user=dba --password --port=3306 --with-timestamp --backup-dir=/export/backups backup-and-apply-log

Which statement is true?

A)The backup accesses the MySQL server files by using a pre-existing connection.

B)The database server is put into a read-only state for the duration of the backup.

C)An offline backup of InnoDB tables is taken.

D)The backup can be impacted when DDL operations run during the backup.

Q2:点击编辑【单选题】

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Q1.Examine this command, which executes successfully:

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