Question

Add new columns to an existing table,​

Answer 1

Answer:

You can add a column without dropping the table. If you want the column NOT NULL then you'll have to make it accept NULL first, then set the values through an update, and lastly alter the column to NOT NULL

Explanation:

was this answer helpful?

add this as brainly list

Answer 2

Answer:

first you have to make line from top to bottom and them fill in it