The correct answer is B. DDL (Data Definition Language) is a computer language for informing the DBMS regarding the data structure used. It is used to create, alter, and drop database objects such as tables, views, and constraints.
Pascal is a general-purpose, procedural computer programming language. It was designed in 1970 by Niklaus Wirth as a teaching language, and has been highly influential in the development of many other languages, including C, C++, and Java.
Prolog is a logic programming language. It is a declarative language, which means that the programmer specifies the desired results, and the Prolog interpreter figures out how to achieve them. Prolog is often used for artificial intelligence applications, such as natural language processing and expert systems.
Fortran is a general-purpose, imperative computer programming language. It was developed in the early 1950s by John Backus at IBM for scientific and engineering applications. Fortran is one of the oldest programming languages still in use today.