皮皮学,免费搜题
登录
logo - 刷刷题
搜题
【单选题】
将 PUBS 数据库中的 TITLES 表中的 TYPE 按类型分,并求出 PRICE 的和,显示为价格,正确的SQL 语句是
A.
SELECT TYPE, COUNT(PRICE) AS  价格 FROM TITLES GROUP BY TYPE
B.
SELECT TYPE, SUM(PRICE) AS  价格 FROM TITLES GROUP BY TYPE
C.
SELECT TYPE, SUM(PRICE) AS  价格 FROM TITLES
D.
SELECT TYPE, COUNT (PRICE) AS  价格 FROM TITLES
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【单选题】We saw the ________ houses and the ________ trees all over the village-it must have been hit by a hurricane. [     ]
A.
ruined; falling
B.
ruining; falling
C.
ruined; fallen
D.
ruining; fallen
【简答题】Paraphrase the following sentence: 1. You are beginning to feel impatient that there has been this long lull. (Para. 1) 2. Appearances are often very deceptive. (Para 3) 3. ... imagination makes thing...
【单选题】—Jack.  All the young trees____at once. —OK.  I'll do it at once. [     ]
A.
must be watered
B.
must water
C.
must be watering
【单选题】The author seems to be rather ______ about his disease.
A.
patient and optimistic
B.
impatient and pessimistic
C.
impatient but optimistic
D.
indifferent but impatient
【多选题】不可抗力事故引起的法律后果是( )。
A.
遇事故的一方可要求损害赔偿
B.
遇事故的一方可要求解除合同
C.
遇事故的一方可要求延期履行合同
D.
遇事故的一方可要求交付替代货物
【简答题】人们习惯上将麝香分为________、________和________三大类,________的香气与天然麝香最为接近。
【单选题】准确量取25.00mL高锰酸钾溶液,可选择的仪器是
A.
50mL量筒
B.
10mL量筒
C.
50mL酸式滴定管
D.
50mL碱式滴定管
【单选题】与溃疡病发生密切相关的微生物是
A.
痢疾杆菌
B.
病毒
C.
葡萄球菌
D.
幽门螺杆菌
【简答题】Please paraphrase follwing sentences: you are beginning to feel impatient that there has been this long lull ... (Paragraph 1) 2. ... appearances are often very deceptive ... (Paragraph 3) 3. ... but ...
【单选题】Task 10 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace> Healthy trees are important to us all. Trees provide shade, beauty, and homes for wildlife. Trees give us products like ...
A.
beautiful
B.
healthy
C.
old
D.
young
相关题目:
参考解析:
知识点:
题目纠错 0
发布
创建自己的小题库 - 刷刷题