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[主观题]
Which are data-control command in the following statements? () ① UPDATE② GRANT ③ INSERT ④
Which are data-control command in the following statements? ()
① UPDATE
② GRANT
③ INSERT
④ SELECT
⑤ DROP
⑥ ALTER
⑦ REVOKE
⑧ CREATE
⑨ DELETE
A.②,⑦
B.①,③,④,⑨
C.⑤,⑥,⑧
D.②, ⑤,⑥,⑦,⑧
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