发布日期:2020-04-10
A.ALTER TABLE commercials MODIFY (description CHAR2(2000));
B.ALTER TABLE commercials CHANGE (description CHAR2(2000));
C.ALTER TABLE commercials CHANGE (description VARCHAR2(2000));
D.ALTER TABLE commercials MODIFY (description VARCHAR2(2000));
E.You cannot increase the size of a column if the table has rows.
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