Question

Which of the following is a Data Definition Language (DDL) command in database queries,

• A. Alter
• B. Update
• C. Delete
• D. Insert

Answer 1

Answer:

A. Alter

DDL (Data Definition Language) is a type of SQL command used to define data structures and modify data. It creates, alters, and deletes database objects such as tables, views, indexes, and users. Examples of DDL statements include CREATE, ALTER, DROP and TRUNCATE