问题:
A、Ⅰ.CREATE TABLE? CREATE VIEW? CREATE INDEX?
B、Ⅱ.DROP TABLE? DROP VIEW? DROP INDEX?
C、Ⅲ.ALTER TABLE? ALTER VIEW? ALTER INDEX?
D、A)仅Ⅰ
E、B)仅Ⅱ
F、C)仅Ⅲ
G、D)都包含
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