Beginner
Database Management Systems
Q7 / 100
What is the difference between DDL and DML?
Correct! Well done.
Incorrect.
The correct answer is B) DDL (Data Definition Language) defines schema (CREATE, ALTER, DROP); DML (Data Manipulation Language) manipulates data (INSERT, UPDATE, DELETE, SELECT)
B
Correct Answer
DDL (Data Definition Language) defines schema (CREATE, ALTER, DROP); DML (Data Manipulation Language) manipulates data (INSERT, UPDATE, DELETE, SELECT)
Explanation
DDL: CREATE TABLE, ALTER TABLE, DROP TABLE — changes database structure. DML: SELECT, INSERT, UPDATE, DELETE — works with data. DCL (GRANT/REVOKE) controls permissions.
Progress
7/100