What is the purpose of the DROP statement in database definition language?

What is the purpose of database definition language (DDL)?

Which statement is used to define a view in a database?

Which statement is used to modify an existing table in a database?

What is the purpose of the INDEX statement in database definition language?

Which statement is used to add or modify constraints on a table?

Which statement is used to create a new table in a database?

What is the purpose of the REVOKE statement in database definition language?

Which statement is used to grant privileges to a user in a database?