1.下列语言中属于结构化查询语言的是(C )。
A)Java B)C
C)SQL D)C++
2.在RDBMS中用的缺省的语言是( B )。
A)C++ B)SQL
C)Java D)C
3.MS-SQL在SQL的基础级语法上加入了一些性质,有了它自己的SQL,称之为( A )。A)T-SQL B)Java
C)PL-SQL D)C/C++
4.陈述A:varchar型数据表示固定长字符数据。
陈述B:char型数据表示不定长字符数据。
关于对以上陈述的描述中,正确的是( A )。
A)都是错误的
B)都正确
C)陈述A正确,陈述B错误
D)陈述A错误,陈述B正确
5.使用SELECT语句显示表的所有的列时,选用的符号是(A )。
A)* B)[]
C)_ D)[^]
6.若要按如下格式显示数据,则可以满足要求的查询语句是( D )。
Recruiter Name Hire Charge
A)SELECT cName =…Recruiter Name‟, siPercentageCharge =…Hire Charge‟
FROM ContractRecruiter
B)SELECT …Recruiter Name‟ cName,…Hire Charge‟ siPercentageCharge
FROM ContractRecruiter
C)SELECT …Recruiter Name‟AS cName,…Hire Charge‟AS siPercentageCharge
FROM ContractRecruiter
D)SELECT …Recruiter Name‟=cName,…Hire Charge‟=siPercentageCharge
FROM ContractRecruiter
7.使用SELECT语句检索带特定条件的数据时,应使用的关键字是( D )。
A)ORDER B)BETWEEN
C)LIKE D)WHERE
8.运算符%能够用于以下哪种类型的数据上?( C )。
A)float B)money
C)smallint D)smallmoney
9.测验中分数在80到100之间的候选人需要面试,合适的查询语句是( A )。
A)SELECT vFirstName,vLastName,siTestScore
FROM ExternalCandidate
WHERE siTestScore>=80 AND siTestScore<=100
B)SELECT vFirstName,vLastName,siTestScore
FROM ExternalCandidate
WHERE siTestScore>80 AND siTestScore<100
C)SELECT vFirstName,vLastName,siTestScore
FROM ExternalCandidate
WHERE siTestScore<=80 AND siTestScore>=100
D)SELECT vFirstName,vLastName,siTestScore
FROM ExternalCandidate
WHERE siTestScore<80 AND siTestScore>100
10.为列出居住在MA或者DC州的所有的出版商,其SELECT语句是( B )。
A)SELECT Pub_Name,City
FROM Publishers
WHERE State = (…MA‟,…DC‟)
B)SELECT Pub_Name,City
FROM Publishers
WHERE State IN (…MA‟,…DC‟)方差英文
C)SELECT Pub_Name,City
FROM Publishers
WHERE State BETWEEN …MA‟ AND …DC‟
由此及彼的意思D)SELECT Pub_Name,City
FROM Publishers
WHERE State=…MA‟ AND State=…DC‟
11.查询报纸名字中包含“Texas Times”的报纸的材料,合适的查询语句是( A )。
A)SELECT cNewspaperName,vContractPerson,cPhone
FROM Newspaper
WHERE cNewspaperName LIKE …%Texas Times%‟
B)SELECT cNewspaperName,vContractPerson,cPhone
FROM Newspaper
WHERE cNewspaperName LIKE …Texas Times‟
C)SELECT cNewspaperName,vContractPerson,cPhone
FROM Newspaper
WHERE cNewspaperName LIKE …Texas Times%‟
D)SELECT cNewspaperName,vContractPerson,cPhone
FROM Newspaper
WHERE cNewspaperName LIKE …[Texas Times]‟
12.陈述A:任何两个NULL值都不可能相等。
陈述B:在以递升排序的输出中,NULL值总是第一个被显示的项。
关于对以上陈述的描述中,正确的是( C )。
A)陈述A正确,陈述B错误
B)陈述A错误,陈述B正确
C)都正确
D)都是错误的
13.查询职位编号和职位描述,以职位编号升序,职位描述降序排列结果,则合适的查询是( B )。
A)SELECT cPositionCode,vDescription
FROM Position
ORDER BY cPositionCode DESC,vDescription ASC
B)SELECT cPositionCode,vDescription
FROM Position
beyond歌曲大全ORDER BY cPositionCode,vDescription DESC
C)SELECT cPositionCode,vDescription
FROM Position
ORDER BY vDescription DESC, cPositionCode ASC
D)SELECT cPositionCode,vDescription
FROM Position
ORDER BY vDescription, cPositionCode
14.显示测验成绩排在前10%的外部候选人的所有材料,测试时间在2001年3月进行,合适的查询语句是(B
)。
A)SELECT TOP 10 *
FROM ExternalCandidate
WHERE dTestDate>=…3/1/2001‟AND dTestDate<=…3/31/2001‟
ORDER BY siTestScore
关于气候的谚语
B)SELECT TOP 10 PERCENT *
FROM ExternalCandidate
WHERE dTestDate>=…3/1/2001‟AND dTestDate<=…3/31/2001‟
ORDER BY siTestScore DESC
C)SELECT TOP 10 PERCENT *
FROM ExternalCandidate
WHERE dTestDate>=…3/1/2001‟AND dTestDate<=…3/31/2001‟
ORDER BY siTestScore ASC
D)SELECT TOP 10 PERCENT
FROM ExternalCandidate
WHERE dTestDate>=…3/1/2001‟AND dTestDate<=…3/31/2001‟
ORDER BY siTestScore DESC
15.编写一个询问,显示已收到申请的外部候选人所在城市的列表,合适的查询是( D )。A)SELECT cCity
FROM ExternalCandidate
ORDER BY cCity
B)SELECT cCity
FROM ExternalCandidate
C)SELECT DISTINCT *
FROM ExternalCandidate
D)SELECT DISTINCT cCity
FROM ExternalCandidate
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16.需要分析在各种报纸设置的招聘广告的效果,并显示投放广告数量在2个以上的报纸的信息,则合适的查
询语句是( D )。
A)SELECT cNewspaperCode,…No.of Advts.Placed‟=SUM(cNewspaperCode)
FROM NewsAd
GROUP BY cNewspaperCode
HAVING COUNT(cNewspaperCode)>=2
B)SELECT cNewspaperCode,…No.of Advts.Placed‟=COUNT(cNewspaperCode)
FROM NewsAd
GROUP BY cNewspaperCode
WHERE COUNT(cNewspaperCode)>=2
C)SELECT cNewspap erCode,…No.of Advts.Placed‟=COUNT(cNewspaperCode) FROM NewsAd
WHERE COUNT(cNewspaperCode)>=2
GROUP BY cNewspaperCode
D)SELECT cNewspaperCode,…No.of Advts.Placed‟=COUNT(cNewspaperCode) FROM NewsAd
GROUP BY cNewspaperCode
HAVING COUNT(cNewspaperCode)>=2
17.要按以下格式输出图书类型、出版社编号和出版数量之间的关系,合适的查询语句是(A )。
Type Pub_id Sum
--------------------------------------------------
business 0736 18722
business 1389 12066
business NULL 30788
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mod_cook 0877 24278
mod_cook NULL 24278
NULL NULL 55066
NULL 0736 18722
NULL 0877 24278
NULL 1389 12066
A)SELECT Type,Pub_id,…Sum‟=SUM(Ytd_Sales)
FROM Titles
GROUP BY Type,Pub_id WITH CUBE
B)SELECT Type,Pub_id,…Sum‟=SUM(Ytd_Sales)
FROM Titles
GROUP BY ALL
C)SELECT Type,Pub_id,…Sum‟=SUM(Ytd_Sales)
FROM Titles
GROUP BY Type,Pub_id
ORDER BY Type
D)SELECT Type,Pub_id,…Sum‟=SUM(Ytd_Sales)
FROM Titles
GROUP BY Type,Pub_id
COMPUTE Type
18.陈述A:COMPUTE子句在查询结果中使用聚合函数产生出汇总行。
陈述B:关键字DISTINCT不能与聚合函数一起使用。
陈述C:COMPUTE子句所用到的所有非聚合列都必须出现在SELECT列表中。
陈述D:GROUP BY子句所用到的所有列都必须出现在SELECT列表中。江苏省教师教育
陈述E:在COMPUTE子句列出的列,必须与ORDER BY子句使用的列匹配,包括列的顺序、名称都必须一致。
陈述F:可在SELECT语句中使用一个以上的COMPUTE子句,以产生带有小计和总计的结果。
关于对以上陈述的描述中,正确的是( D )。
A)A、B、C、D、E和F
B)A、C、E和F
C)B、D、E和F
D)A、B、E和F
19.用来对两个字符串进行比较的函数是( B )。
A)TRIM B)DIFFERENCE
C)STUFF D)REVERSE
20.执行下面语句的结果是( A )。
PRINT UPPER(LTRIM(RTRIM(…Hello,world ‟)))
A)…HELLO,WORLD‟ B)…Hello,world ‟
C)…Hello,world‟ D)…HELLO,WORLD ‟
21.PRINT DATEDIFF(mm,'2005-10-26','2005-10-8')执行结果是( A )。
A)0 B)-1
C)1 D)2
22.PRINT DATENAME(dw,'2005-1-1')执行的结果是( C )。
A)六B)7
C)星期六D)6
23.校园招聘的建议截止期限是招聘过程开始后的第10天,需要显示一份包含公司正在访问的所有学院的学
院代码、招聘起始日期和招聘截止日期的报表,合适的查询语句是(B )。
A)SELECT cCollegeCode,dRecruitmentStartDate,…Propod Deadline‟
=DATEADD(dd,-10,dRecruitmentStartDate)
FROM CampusRecruitment
B)SELECT cCollegeCode,dRecruitmentStartDate,…Propod Deadline‟
=DATEADD(dd,10,dRecruitmentStartDate)
FROM CampusRecruitment
C)SELECT cCollegeCode,dRecruitmentStartDate,…Propod Deadline‟
=DATEADD(q,10,dRecruitmentStartDate)变色龙ppt
FROM CampusRecruitment
D)SELECT cCollegeCode,dRecruitmentStartDate,…Propod Deadline‟
=DATEADD(q,-10,dRecruitmentStartDate)
FROM CampusRecruitment
24.显示候选人的测试成绩,成绩应被舍入到最接近的整数,合适的查询语句是( B )。A)SELECT vFirstName,cPhone,…Score‟=ROUND(siTestScore,1)
FROM ExternalCandidate
B)SELECT vFirstName,cPhone,…Score‟=ROUND(siTestScore,0)
FROM ExternalCandidate
C)SELECT vFirstName,cPhone,…Score‟=ROUND(siTestScore)
FROM ExternalCandidate
D)SELECT vFirstName,cPhone,…Score‟=RAND(siTestScore,0)
FROM ExternalCandidate