试题详情

Choose the best answer.Examine this command, which executes successfully:$ mysqlbackup --user=dba --password --port=3306 --with-timestamp --only-known-file-types
--backup-dir=/export/backups Which statement is true?

AOnly tables stored in their own tablespaces are backed up.

BOnly InnoDB data and log files are backed up.

COnly non-encrypted files are backed up.

DOnly files for MySQL or its built-in storage engines are backed up.

EThe backup includes only data files and their metadata.