Solution
Correct Answer: Option D
Database Language is a special type of programming language used to define and manipulate a database. These are four different types: DDL, DML, DCL, and TCL. DDL commands are used to alter/create schema and metadata of the database. DML commands are used to access and manipulate data stored in existing schema objects.
Oracle একটি ডাটাবেজ সফটওয়্যার। এই রকম আরো ডাটাবেজ সফটওয়্যার আছে যেমনঃ Oracle , MySQL, Sybase ইত্যাদি।