fs_open (database),
{
  database[] = {
                 {
                   name : db_file_name,
                   access_mode : OPEN_READ | OPEN_WRITE
                 },
                 {
                   name : id_index_file_name,
                   access_mode : OPEN_READ
                 },
                 {
                   name : datetime_index_file_name,
                   access_mode : OPEN_READ | OPEN_WRITE
                 }
               }
};
