A report header, which includes information about the date and time of the check, the general details of the DB which is to be checked (DB name, DB number, filename, size, etc), and the options selected.
An error report, which lists details of any errors encountered during the checking process. This will contain just one error and any number of warnings in BRIEF mode, but up to the number of errors and warnings specified by if FULL has been specified.
A report summary, which tells you whether the DB is free from structural faults, suspect or definitely corrupt.