select au_id from authors where price<15 or price>20. 下面语句与这一条语句执行效果不相同的是( )
A、selectau_idfromauthorswherepriceIN(15,20)
B、selectau_idfromauthorswherepricebetween15and20
C、selectau_idfromauthorswherepricenotbetween15and20
D、selectau_idfromauthorswherepricenotIN(15,20)
发布时间:2024-10-06 00:36:19