单项选择题
select au_id from authors where state=”ca” or state=”ks”.下面哪一条语句与这一条语句执行效果相同()
A. select au_id from authors where state IN(“ac”,:”sk”);
B. select au_id from authors where state between ac and sk
C. select au_id from authors where state not between ca and ks
D. select au_id from authors where state IN(“ca”,:”ks”);
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