You need to change the definition of an existing table. The COMMERCIALS table needs its
DESCRIPTION column changed to hold varying length characters up to 1000 bytes. The column
can currently hold 500 bytes per value. The table contains 20000 rows. Which statement is valid?
A.
ALTER TABLE commercials
MODIFY (description CHAR2(1000));
B.
You cannot increase the size of a column if the table has rows.
C.
ALTER TABLE commercials
CHANGE (description VARCHAR2(1000));
D.
ALTER TABLE commercials
CHANGE (description CHAR2(1000));
E.
ALTER TABLE commercials
MODIFY (description VARCHAR2(1000));