| Subject | English | Finnish |
| IT | data definition language | kannanmäärityskieli |
| IT | data definition language | tiedonmäärityskieli |
| comp., MS | data definition language | DDL (A language that defines all attributes and properties of a database, especially record layouts, field definitions, key fields, file locations, and storage strategy) |
| IT, transp. | data definition statement | datan määrittelylause |
| comp., MS | data-definition query | määrityskysely (An SQL-specific query that contains data definition language (DDL) statements. These statements allow you to create or alter objects in the database) |
| IT | external data definition language | ulkoinen tiedonmäärityskieli |