LO PEDIS		ELIZ
Table-name	Type	Nullable	Type	Nullable
id	int(11)	NO	int(11)	NO
subject_id	int(11)	NO	int(11)	NO
subject_type	varchar(55)	NO	varchar(55)	NO
file_name	varchar(100)	NO	varchar(100)	NO
orig_name	varchar(100)	YES	varchar(100)	YES