单项选择题
下面哪一条语句实现了下列功能:在authors数据库中查找所有姓名以d 打头的作家()
A. select * from authors where au_name=”d”
B. select “d” from authors
C. select * from authors where au_name like “d%”
D. select au_name like “d%” from authors
相关考题
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单项选择题
select au_id from authors where price$ 20.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 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); -
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”); -
单项选择题
SQL SERVER 2000中,可以用下面哪一条语句把authors表重命名为表student()
A.sp_renamedb authors student
B.sp_rename authors student
C.sp_renamedata authors student
D.sp_renameview authors student
