MCQ IN COMPUTER SCIENCE & ENGINEERING

COMPUTER SCIENCE AND ENGINEERING

SQL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Select DDL commands from among the options ____
A
SELECT
B
ALTER
C
DROP
D
DELETE
Explanation: 

Detailed explanation-1: -DROP is a type of DDL Command. Using the DROP statement, the objects are permanently deleted or lost from a database, and they cannot be rolled back. Unlike TRUNCATE, this command deletes the information of the table or the database, and it removes the entire structure/schema of the table or the entire database.

Detailed explanation-2: -The SELECT statement is a limited form of DML statement in that it can only access data in the database.

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