The statement that I recommended previously would work - that is the SQL that would be executed to truncate the log.As a reminder, that statement was:
BACKUP DATABASE DIRECTORY ''
TRANSACTION LOG ONLY
TRANSACTION LOG TRUNCATE;
Of course, you could create a database EVENT and do the backup and truncate in a single step. For example:
CREATE EVENT ScheduledBackupEvent
SCHEDULE "daily_backup" BETWEEN '02:00' AND '02:59' ON ( 'Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday' )
HANDLER
BEGIN
BACKUP DATABASE DIRECTORY 'c:\\temp' TRANSACTION LOG TRUNCATE;
END;