第1题:
A.suitable sequence
B.correct sequence
C.correct priority
D.suitablepriority
第2题:
假定学生Students和教师Teachers关系模式如下所示: Students(学号,姓名,性别,类别,身份证号) Teachers(教师号,姓名,性别,身份证号,工资) a.查询在读研究生教师的平均工资、最高与最低工资之间差值的SQL语句如下: SELECT ( ) FROM Students,Teachers WHERE( );
b.查询既是研究生,又是女性,且工资大于等于3500元的教师的身份证号和姓名的SQL语句如下: (SELECT 身份证号,姓名 FROM Students WHERE( )) ( ) (SELECT身份证号,姓名 FROM Teachers WHERE( ))
A.AVG(工资) AS 平均工资,MAX(工资)-MIN(工资) AS差值 B.平均工资 AS AVG(工资),差值 AS MAX(工资)-MIN(工资) C.AVG(工资) ANY 平均工资,MAX(工资)-MIN(工资) ANY 差值 D.平均工资 ANY AVG(工资),差值 ANY MAX(工资)-MIN(工资) A.Students.身份证号 = Teachers.身份证号 B.Students.类别 =‘研究生’ C.Students.身份证号 = Teachers.身份证号 AND Students.类别 =‘研究生’ D.Students.身份证号 = Teachers.身份证号 OR Students.类别 =‘研究生’ A.工资>=3500 B.工资>=‘3500’ C.性别=女 AND 类别=研究生 D.性别=‘女’ AND 类别=‘研究生’ A.EXPERT B.INTERSECT C.UNION D.UNIONALL A.工资>=3500 B.工资>=‘3500 C.性别=女 AND 类别=研究生 D.性别=‘女’ AND 类别=‘研究生’
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第7题:
You have created a job class, CUST_JOB_1, with two jobs, CUST_JOB_1_A and CUST_JOB_1_B. Which two statements are true? ()
第8题:
The member jobs would get dropped when the job class is dropped.
Both the jobs would be executed concurrently.
The member jobs would get disabled when the job class is dropped.
The attributes defined at the class level would be applied to both the jobs.
Jobs in the job class must have been assigned the same priority.
第9题:
approximately A$10, 000 per year cheaper than living alone.
more expensive than living alone.
not suitable for some students.
suitable for most students.
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第11题:
Good teachers help students establish confidence.
Good teachers determine the personality of students.
Good teachers promote student achievement.
Good teachers treat students as their own children.
第12题:
第13题:
A、cottage
B、cattle
C、goat
D、engage
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第18题:
The governing board of school district is responsible for()
Athe hiring of teachers and staff
Bthe designing of a suitable curriculum
Cthe compiling and approving of budget
DAll of the above
第19题:
most workers are tired of their present jobs
many workers tend to stick their present jobs
people find their jobs more rewarding than before
people still wish to hunt for more suitable jobs
第20题:
the hiring of teachers and staff
the designing of a suitable curriculum
the compiling and approving of budget
All of the above
第21题:
In the 1920s, women were limited to being teachers, nurses or office workers.
Women mainly paid their attention to how they were paid in the 1960s.
Women asked to change “all men are created equal” into “all human beings are created equal”.
No states have ever provided women with jobs in the government.
第22题:
top-down model
bottom-up model
interactive model
integrative model
第23题:
Most average teachers want to leave school because of high pressure.
Excellent teachers often leave schools for better jobs.
The average quality of the teachers in America is declining.
Teachers’ quality is closely related to a number of factors.