Alternative files for a resource, definited separately to the main resource.
ref,int(11),
resource,int(11),
name,varchar(100),Name of the alternative file.
description,varchar(200),Description of the alternative file.
file_name,varchar(200),File name
file_extension,varchar(10),File extension
file_size,bigint(20),File size
creation_date,datetime,Creation date
unoconv,int(11),Set to 1 when ResourceSpace processes $unoconv_extensions.
alt_type,varchar(100),Aternative type.
page_count,int(11),For multi-page documents, total count of pages.