Man pages matching name parse::dia::sql::output::db2 in section 3pm:

Parse::Dia::SQL::Output::DB2.3pm.en	debian 10 / libparse-dia-sql-perl
Parse::Dia::SQL::Output::DB2.3pm.en	debian 11 / libparse-dia-sql-perl
Parse::Dia::SQL::Output::DB2.3pm.en	debian 12 / libparse-dia-sql-perl