單項選擇題

select au_id from authors where state=”ca” or state=”ks”.下面哪一條語句與這一條語句執(zhí)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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