In UCSM, where 

题目

In UCSM, where are Call Home conditions for monitoring configured?()

  • A、Call Home Service Profiles
  • B、Call Home Policies
  • C、Call Home Events
  • D、Call Home Traps
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相似问题和答案

第1题:

Was it in the room _____ Mr.Johnsonlived_____ the exhibition was held?

A.that; that

B.where; that

C.where; where

D.that;where


参考答案:B

第2题:

查找条件为:姓名不是NULL的记录( )

A.WHERE NAME ! NULL

B.WHERE NAME NOT NULL

C.WHERE NAME IS NOT NULL

D.WHERE NAME!=NULL


正确答案:C 

第3题:

I asked him _______ .

A.where was the supermarket

B.where to the supermarket

C.where the supermarket was

D.where to get to the supermarket


正确答案:C

第4题:

有如下SQL语句: SELECT姓名FROM学生表WHERE学号IN; (SELECT学号FROM成绩表WHERE成绩>90) 下列哪条命令与该SQL语句等价

A.SELECT姓名FROM学生表WHERE EXISTS; (SELECT学号FROM成绩表WHERE成绩>90)

B.SELECT姓名FROM学生表WHERE EXISTS; (SELECT学号FROM成绩表WHERE学号=学生表.学号AND成绩>90)

C.SELECT姓名FROM学生表WHERE学号EXISTS; (SELECT学号FROM成绩表WHERE学号=学生表.学号AND成绩>90)

D. SELECT姓名FROM学生表WHERE学号=; (SELECT学号FROM成绩表WHERE成绩>90)


正确答案:B
解析:IN是包含运算,此处子查询中得到多个结果,记录不惟一,因此不用“=”运算符;EXISTS是谓词,用来检查在子查询中时候有结果返回。

第5题:

In a SELECT statement that includes a WHERE clause, where is the GROUP BY clause placed in the SELECT statement? ()

A. Immediately after the SELECT clause

B. Before the WHERE clause

C. Before the FROM clause

D. After the ORDER BY clause

E. After the WHERE clause


参考答案:E

第6题:

有SQL语句: SELECT DISTINCT系号FROM教师WHERE工资>=; ALL(SELECT工资FROM教师WHERE系号="02") 与如上语句等价的SQL语句是

A.SELECT DISTINCT系号FROM教师WHERE工资>=; (SELECT MAX(工资)FROM教师WHERE系号="02")

B.SELECT DISTINCT系号FROM教师WHERE工资>=; (SELECT MIN(工资)FROM教师WHERE系号="02")

C.SELECT DISTINCT系号FROM教师WHERE工资>=; ANY(SELECT工资FROM教师WHERE系号="02")

D.SELECT DISTINCT系号FROM教师WHERE工资>=; SOME(SELECT工资FROM教师WHERE系号="02")


正确答案:A
解析:题干中的SQL语句的功能是:查询那些工资比02系工资都高的教师所在的系号,四个选项中只有选项A中的查询条件与此等价,用(SELECT MAX(工资) FROM…WHERE…)实现选择出最高工资,故选项A为正确答案。选项B的查询条件表示工资大于02系中工资最低的教师的工资,选项C和D中的ANY和SOME是同义词,表示查询出只要比02系中某一个教师工资高的记录即可。

第7题:

Would you tell me ________?

A、where is the post office

B、where stands the post office

C、where the post office is

D、where stood the post office


参考答案:C

第8题:

They stood at the window, _____ they could see _____ was happening in the street.

A.from which; that

B.from where; what

C.where; all

D.where; that


正确答案:B

第9题:

在学生表中查找没有选课的学生,下列语句正确的是( )。

A.SELECT*FROM 学生 WHERE EXISTS; (SELECT*FROM 选课 WHERE学生号=学生.学生号)

B.SELECT*FROM 学生 WHERE NOT EXISTS; (SELECT*FROM 选课 WHERE 学生号=学生.学生号)

C.SELECT*FROM 学生 WHERE EXISTS; (SELECT*FROM 选课 WHERE 学生号=学生号)

D. SELECT*FROM 学生 WHERE NOT EXISTS; (SELECT*FROM 选课 WHERE 学生号=学生号)


正确答案:B
解析:本题是嵌套循环查循,在外层中使用了谓词EXISTS。依据题意,在子查询中有结果返回,应该用EXISTS谓词。内层查询引用了外层查询的表,所以在WHERE短语的学生号中使用关系名,即学生.学生号。

第10题:

与WHERE AGE BETWEEN 18 AND 23完全等价的是( )。

A.WHERE AGE>18AND AGE

B.WHERE AGE>=18AND AGE

C.WHERE AGE>18AND AGE

D.WHERE AGE>=18AND AGE


正确答案:D


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