| Subject | English | Dutch |
| IT | data definition language | gegevensbeschrijvingstaal |
| IT | data definition language | gegevensdefinitietaal |
| comp., MS | data definition language | Data Definition Language (A language that defines all attributes and properties of a database, especially record layouts, field definitions, key fields, file locations, and storage strategy) |
| IT | external data definition language | externe datadefinitietaal |