單項(xiàng)選擇題select au_id from authors where price<$15 or price >$ 20.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 price IN($15,:$20);
B. select au_id from authors where price between $15 and $20
C. select au_id from authors where price not between $15 and $20
D. select au_id from authors where price not IN($15,$20);


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1.單項(xiàng)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”);

2.單項(xiàng)選擇題SQL SERVER 2000中,可以用下面哪一條語句把a(bǔ)uthors表重命名為表student()

A.sp_renamedb authors student
B.sp_rename  authors  student
C.sp_renamedata authors student
D.sp_renameview authors student