When the writer of the letter sends a copy to a third party without the knowledge of the person receiving the original letter, it is referred to as a ____________

A computer program written in Python is based on a step-by-step ______.

Fill in the blank(s) with the appropriate word(s).

To change a column that currently rejects null values so that it accepts null values, use the ____ clause of the ALTER TABLE command

A. ACCEPT NULLS B. MODIFY C. ADD NULLS D. CREATE