• 2022-06-07
    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 statenot IN(“ca”,”ks”)
    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”)