Answer:to add a column to existing table.
to rename any existing column.
to change datatype of any column or to modify its size.
to drop a column from the table.
Explanation:
hope this help
Answer:
HTML
Explanation:
HTML is not a graphic file, as it doesn't support graphics. It instead supports text-base, and only text.
~

The Correct choice is " True "
When the animation and the graphic designs are used to sell products or services, it is known as multimedia advertising.