You can use the ____ clause of the ALTER TABLE command to change a column that currently rejects null values so that it will accept null values.

How do you create rolling text?

What will be an ideal response?

What is the name of the device that is typically located within a telephone company's central office (CO) and enables it to utilize existing telephone wiring for both normal telephone services and DSL?

A) CMTS B) DSLAM C) DSL modem D) Telephone concentrator E) Class 5 switch