(film) Abbreviation of double feature.

(botany) Initialism of diameter at breast height, a standard method of expressing the diameter of the trunk or bole of a standing tree. The diameter is measured at the height of an adult's breast.

(software, design) Initialism of Design by Contract.

(databases) Acronym of Database as a Service.

Initialism of deep belief network.

(computing, languages) Initialism of Database Interface (module of the Perl 5 language)

(computing, languages) Initialism of Database Driver (database driver of Perl DBI) / (medicine) Initialism of donation after brain death. (of organ donation)

(computing) Initialism of double-byte character set.

plural of DBN

plural of DBU