MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

DATABASE MANAGEMENT SYSTEM

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

Which of the following is Database Language?

A	Data Definition Language
B	Data Manipulation Language
C	Query Language
D	All of the above

Explanation:

Detailed explanation-1: -Some examples of database languages are SQL, Oracle, dBase, MS Access, FoxPro etc. Database languages are commonly divided into Data Definition Language (DDL), Data Control Language (DCL), Data Manipulation Language (DML), and Transaction Control Language (TCL).

Detailed explanation-2: -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.

Detailed explanation-3: -No matter how many new programming languages and database structures keep popping up, SQL remains arguably the most widely used database language in the world.

Detailed explanation-4: -A database language is comprised of two languages: Data Definition Language (DDL) Data Manipulation Language (DML)

There is 1 question to complete.