Which task can be performed by using a single Data Manipulation Language (DML) statement?

Which task can be performed by using a single Data Manipulation Language (DML) statement?

Question:

Which task can be performed by using a single Data Manipulation Language (DML) statement?

Options:

Removing all data only from a single column on which a primary key constraint is defined.

Removing all data from a single column on which a unique constraint is defined.

Adding a column with a default value while inserting a row into a table.

Adding a column constraint while inserting a row into a table.

Correct Answer

The Correct Answer for this Question is

Removing all data only from a single column on which a primary key constraint is defined.