noun
data definition language; DDL
Technical computing term for a language used to define database schemas and structures.
SQLのCREATE TABLE文はデータ定義言語の一部です。
The CREATE TABLE statement in SQL is part of the data definition language.
Data manipulation language (DML) is used for querying and modifying data, while data definition language (DDL) is for defining the structure.
Calque from English 'data definition language', composed of データ (data), 定義 (definition), and 言語 (language).