皮皮学,免费搜题
登录
搜题
【单选题】
假设数据库中有一个名为get_time的存储函数,只有一个类型为TIME的输入参数t,现欲删除该存储函数,以下语句正确的是
A.
DROP FUNCTION get_time;
B.
DROP FUNCTION get_time(t);
C.
ROP FUNCTION get_time(t TIME);
D.
DROP FUNCTION get_time(TIME t);
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【简答题】Directions: Listen to the following record and fill in the blanks with the exact words you hear. How to save money on hotel bills? When traveling, the most expensive things are 1._____ the flight and ...
【单选题】. It is helpful to ________ a good habit of reading in language learning.
A.
take
B.
show
C.
develop
D.
Match
【单选题】-How long do you spend your homework every evening? -About two hours. [     ]
A.
to do
B.
doing
C.
do
【单选题】以下哪个是合法的标识符
A.
1
B.
a
C.
a-
D.
76
【单选题】听力原文:M: When do you want to leave for that seaside town, Martha? W: I'm not sure yet, but maybe we should leave on Friday after work. It's a long drive, but I'd rather get there late Friday than midda...
A.
Attend a party.
B.
Take a holiday.
C.
Go on a business trip.
【单选题】以下是python合法的标识符的是:
A.
#stduent
B.
student_1_name
C.
1_a_student
D.
$studnet
【单选题】听力原文:M: The glare was so intense that even my sunglasses didn't help. W: Look, if you take Route 27 in the late afternoon, you're driving straight into the sun! I'd consider an alternative. Q: What do...
A.
Take a shorter route.
B.
Buy new sun glasses.
C.
Drive on a different road.
D.
Consider taking Route 27.
【单选题】How long do you usually _____ on your homework everyday? [     ]
A.
do
B.
use
C.
spend
D.
take
【简答题】下列属于有胚乳种子的有()。 A棉花 B蓖麻 C小麦 D花生
【单选题】较短或者无需延迟的信息适合用( )显示。
A.
听觉
B.
视觉
C.
触觉
D.
味觉
相关题目: