Man pages matching name class::dbi::cascade::none in section 3pm:

Class::DBI::Cascade::None.3pm.en	debian 10 / libclass-dbi-perl
Class::DBI::Cascade::None.3pm.en	debian 11 / libclass-dbi-perl
Class::DBI::Cascade::None.3pm.en	debian 12 / libclass-dbi-perl