A query that removes records from a table is called a(n) _________ query

Which of the following connectors are MOST commonly used on a POTS line?

A. RJ-45 B. MTRJ C. DB-9 D. RJ-11

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