noun which may take the genitive case particle 'no'
declarative
Used in computing to describe a style or language that expresses logic without specifying control flow, e.g., SQL or functional programming.
SQL is a declarative language.
In declarative programming, you describe the result and leave the procedure to the system.
declarative language
Compound of 宣言 (declaration) + 型 (type, style). A modern technical term calqued from English 'declarative'.