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执行下列一组命令之后，选择“职工”表所在工作区的错误命令是______。 CLOSE ALL USE 仓库 INO USE 职工 TNOA．SELECT职212B．SELECT0C．SELECT2D．SELECTB
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执行下列一组命令之后，选择“职工”表所在工作区的错误命令是______。 CLOSE ALL USE 仓库 IN 0 USE 职工 IN 0A．SELECT 职工B．SELECT 0C．SELECT 2D．SELECT B
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查询选修课程号为“101”课程得分最高的同学，正确的SQL语句是 ______。A．SELECT 学生.学号，姓名FROM 学生，选课WHERE 学生.学号＝选课.学号 AND 课程号＝“101” AND 成绩＞=ALL (SELECT 成绩 FROM 选课)B．SELECT 学生.学号，姓名FROM 学生，选课 WHERE 学生.学号＝选课.学号 AND 成绩＞＝ALL(SELECT 成绩 FROM 选课 WHERE 课程号＝“101”)C．SELECT 学生. 学号，姓名 FROM 学生，选课 WHERE 学生. 学号＝选课.学号 AND 成绩＞＝ANY (SELECT 成绩 FROM 选课 WHERE 选课号＝“101”)D．SELECT 学生.学号，姓名 FROM 学生，选课 WHERE 学生.学号＝选课.学号 AND 课程号＝“101”AND 成绩＞= ALL(SELECT 成绩 FROM 选课 WHERE课程号=“101”)
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The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this? ()
A. GRANT select ON dept TO ALL_ USER;B. GRANT select ON dept TO ALL;C. GRANT QUERY ON dept TO ALL_USERSD. GRANT select ON dept TO PUBLIC;
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根据SQL标准，下面哪条语句与select min(age) from student等效?()A select age from student where age >= min(age)B select distinct age from student where age >= all min(age)C select distinct a.age from student a where a.ageD select distinct a.age from student a where a.age
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Examine the data in the EMPLOYEES table:Which three subqueries work? ()
A. SELECT * FROM employees where salary (SELECT MIN(salary) FROM employees GROUP BY department _ id);B. SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department _ id);C. SELECT distinct department_id FROM employees Where salary ANY (SELECT AVG(salary) FROM employees GROUP BY department _ id);D. SELECT department_id FROM employees WHERE SALARY ALL (SELECT AVG(salary) FROM employees GROUP BY department _ id);E. SELECT last_name FROM employees Where salary ANY (SELECT MAX(salary) FROM employees GROUP BY department _ id);F. SELECT department_id FROM employees WHERE salary ALL (SELECT AVG(salary) FROM employees GROUP BY ANG (SALARY));
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Examine the data in the EMPLOYEES table:LAST_NAME DEPARTMENT_ID SALARYGetz 10 3000Davis 20 1500Bill 20 2200Davis 30 5000...Which three subqueries work? ()
A. SELECT * FROM employees where salary (SELECT MIN(salary) FROM employees GROUP BY department _ id);B. SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department _ id);C. SELECT distinct department_id FROM employees Where salary ANY (SELECT AVG(salary) FROM employees GROUP BY department _ id);D. SELECT department_id FROM employees WHERE SALARY ALL (SELECT AVG(salary) FROM employees GROUP BY department _ id);E. SELECT last_name FROM employees Where salary ANY (SELECT MAX(salary) FROM employees GROUP BY department _ id);F. SELECT department_id FROM employees WHERE salary ALL (SELECT AVG(salary) FROM employees GROUP BY ANG (SALARY));
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Click the Exhibit button and examine the data in the EMPLOYEES table.Which three subqueries work? ()
A.SELECT * FROM employees where salary (SELECT MIN(salary) FROM employees GROUP BY department_id);B.SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department_id);C.SELECT distinct department_id FROM employees WHERE salary ANY (SELECT AVG(salary) FROM employees GROUP BY department_id);D.SELECT department_id FROM employees WHERE salary ALL (SELECT AVG(salary) FROM employees GROUP BY department_id);E.SELECT last_name FROM employees WHERE salary ANY (SELECT MAX(salary) FROM employees GROUP BY department_id);F.SELECT department_id FROM employees WHERE salary ALL (SELECT AVG(salary) FROM employees GROUP BY AVG(SALARY));
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检索有职工的工资大于或等于“WH1”仓库中所有职工“工资”的仓库号，正确的命令是( )。A．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ANY; (SELECT MAX(工资) FROM 职工 WHERE 仓库号="WH1")B．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ANY; (SELECT 工资 FROM 职工 WHERE 仓库号="WH1")C．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ALL; (SELECT 工资 FROM 职工 WHERE 仓库号="WH1")D．SELECT DISTINCT 仓库号 FROM 职工 WHERE 工资＞=ALL; (SELECT MAX(工资) FROM 职工 WHERE 仓库号="WH1")
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把对表SC的查询权限授予所有用户的SQL语句是( )。A．GRANT SELECT ON TABLE SC TO PublicB．GPANT SELECT ON TABLE SC TO AllC．GRANT SELECT ON SC TO PublicD．GRANT SELECT ON SC TO All
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学生(学号(C，8)，姓名(C，6)，性别(C，2)，出生日期(D))选课(学号(C，8)，课程号(C，3)，成绩(N，5，1)) 查询选修课程号为“007”课程得分最高的学生，正确的SQL语句是（ ）。A. SELECT学生．学号，姓名FROM学生，选课WHERE学生．学号=选课．学号 AND课程号=”007”AND成绩 =ALL(SELECT成绩FROM选课)B. SELECT学生．学号，姓名FROM学生，选课WHERE学生．学号=选课．学号 AND成绩 =ALL(SELECT成绩FROM选课WHERE课程号=”007”)C. SELECT学生．学号，姓名FROM学生，选课WHERE学生．学号=选课．学号 AND成绩 =ANY(SELECT成绩FROM选课WHERE课程号=”007”)D. SELECT学生．学号，姓名FROM学生，选课WHERE学生．学号=选课．学号AND 课程号=”007”AND成绩=ALL(SELECT成绩FROM选课WHERE课程号=”007”)
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Which of the following statements eliminates all but one of each set of duplicate rows in the DEPT column in the STAFF table?()
A.SELECT UNIQUE dept FROM staffB.SELECT DISTINCT dept FROM staffC.SELECT (dept) UNIQUE FROM staffD.SELECT (dept) DISTINCT FROM staff
考题
（ 33 ）查询选修课程号为 “ 101 ” 课程得分最高的同学，正确的 SQL 语句是A) SELECT 学生 . 学号 , 姓名 FROM 学生 , 选课 WHERE 学生 . 学号 = 选课 . 学号AND 课程号 = "101" AND 成绩 =ALL(SELECT 成绩 FROM 选课 )B) SELECT 学生 . 学号 , 姓名 FROM 学生 , 选课 WHERE 学生 . 学号 = 选课 . 学号AND 成绩 =ALL(SELECT 成绩 FROM 选课 WHERE 课程号 = "101" )C) SELECT 学生 . 学号 , 姓名 FROM 学生 , 选课 WHERE 学生 . 学号 = 选课 . 学号AND 成绩 =ANY(SELECT 成绩 FROM 选课 WHERE 课程号 = "101" )D) SELECT 学生 . 学号 , 姓名 FROM 学生 , 选课 WHERE 学生 . 学号 = 选课 . 学号AND 课程号 = "101"AND 成绩 =ALL(SELECT 成绩 FROM 选课 WHERE 课程号 = "101" )
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Which statement is true regarding the INTERSECT operator?（）A、It ignores NULL values B、Reversing the order of the intersected tables alters the result C、The names of columns in all SELECT statements must be identical D、The number of columns and data types must be identical for all SELECT statements in the query
考题
You create a virtual machine （VM） on a Windows Server 2008 R2 Hyper-V server. You plan to use this VM as the base image for new VMs. You need to ensure that you can import the base image multiple times on the original host server. In the Import Virtual Machine Wizard，which settings should you configure during each import process？（）A、Select the Copy the virtual machine option and the Duplicate all files check box.B、Select the Copy the virtual machine option. Clear the Duplicate all files check box.C、Select the Move or restore the virtual machine option and the Duplicate all files check box. D、Select the Move or restore the virtual machine option. Clear the Duplicate all files check box.
考题
Which of the following statements eliminates all but one of each set of duplicate rows in the DEPT column in the STAFF table?（）A、SELECT UNIQUE dept FROM staffB、SELECT DISTINCT dept FROM staffC、SELECT (dept) UNIQUE FROM staffD、SELECT (dept) DISTINCT FROM staff
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An administrator is applying a corrective service to their HMC. The corrective service has been shipped on 3 DVDs. Which action will ensure the corrective service is correctly installed?（）A、Select the option to automatically reboot the HMCB、Select the option to automatically reboot the HMC after each diskC、Shutdown all managed LPARs prior to beginning the install processD、Copy all disks into the "SERVICE" directory and select concurrent install
考题
An administrator is applying a corrective service to their HMC .The corrective service has been shipped on 3 DVDs. Which action will ensure the corrective service is correctly installed？（）A、Select the option to automatically reboot the HMC .B、Select the option to automatically reboot the HMC after each disk.C、Shutdown all managed LPARs prior to beginning the install process.D、Copy all disks into the ""SERVICE"" directory and select concurrent install.
考题
Where can subqueries be used?（）A、field names in the SELECT statement B、the FROM clause in the SELECT statement C、the HAVING clause in the SELECT statementD、the GROUP BY clause in the SELECT statement E、the WHERE clause in only the SELECT statement F、the WHERE clause in SELECT as well as all DML statements
考题
Examine the data in the EMPLOYEES table: LAST_NAME DEPARTMENT_ID SALARY Getz 10 3000 Davis 20 1500 Bill 20 2200 Davis 30 5000 ... Which three subqueries work? （）A、SELECT * FROM employees where salary (SELECT MIN(salary) FROM employees GROUP BY department _ id);B、SELECT * FROM employees WHERE salary = (SELECT AVG(salary) FROM employees GROUP BY department _ id);C、SELECT distinct department_id FROM employees Where salary ANY (SELECT AVG(salary) FROM employees GROUP BY department _ id);D、SELECT department_id FROM employees WHERE SALARY ALL (SELECT AVG(salary) FROM employees GROUP BY department _ id);E、SELECT last_name FROM employees Where salary ANY (SELECT MAX(salary) FROM employees GROUP BY department _ id);F、SELECT department_id FROM employees WHERE salary ALL (SELECT AVG(salary) FROM employees GROUP BY ANG (SALARY));
考题
多选题Where can subqueries be used?（）Afield names in the SELECT statementBthe FROM clause in the SELECT statementCthe HAVING clause in the SELECT statementDthe GROUP BY clause in the SELECT statementEthe WHERE clause in only the SELECT statementFthe WHERE clause in SELECT as well as all DML statements
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多选题In the admin GUI, you navigate to "System" "Status" "Active Users". You see several buttons, including "Delete Session", "Delete All Sessions". "Refresh Roles", and "Disable All Users".Which two statements are true?（）ATo forcibly sign out a single user, you should select the check box next to that user's login name, then select Delete Session.BIf you select Delete All Sessions, all users are forcibly signed out and are unable to sign in again until Enable All Users is selected.CSelecting Disable All Users prevents users from signing in and starting a new session, but does not forcibly sign out any users that already have an existing session.DSelecting Refresh Roles re-evaluates authentication policies, role-mapping rules, and resource policies for all existing user sessions.
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单选题Which statement is true regarding the INTERSECT operator?（）A
It ignores NULL values B
Reversing the order of the intersected tables alters the result C
The names of columns in all SELECT statements must be identical D
The number of columns and data types must be identical for all SELECT statements in the query
考题
单选题The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this? （）A
GRANT select ON dept TO ALL_ USER;B
GRANT select ON dept TO ALL;C
GRANT QUERY ON dept TO ALL_USERSD
GRANT select ON dept TO PUBLIC;
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