select Kill from the menu
select Release from the menu
select Cancel Job from the menu
select Cancel Pending from the menu
第1题:
A.select job from emp;
B.select job,count(*) from emp;
C.select distinct job,count(*) from emp;
D.select job,count(*) from emp group by job;
E.select job,sum(empno) from emp group by job;
第2题:
下列哪个语句查出雇员表(employees)里的雇员名字(ename)是‘SMITH’的信息,并且给雇员名字(ename)列定义一个别名Name()。
第3题:
How can a Job with EXEC as Internal Status be stopped in the Job Scheduling Console?()
第4题:
下列SQL语句中,能够完成并运算的是()。
第5题:
设有一自由表xx.dbf,下列SELECT-SQL命令中语法错误的是()
第6题:
数据库中有一张表名为Emp,包含有如下列:EmpNO(雇员编号,Varchar(20),Pk),Job(职位Varchar(10)),HirDate(雇佣日期,Date),Sal(月薪,Float)。查询出职位不为“办事员”的雇员信息是()
第7题:
在Transact-SQL语法中,以下SELECT语句正确的是()。
第8题:
The EMPLOYEES table contains these columns: EMPLOYEE_ID NUMBER(4) LAST_NAME VARCHAR2 (25) JOB_ID VARCHAR2(10) You want to search for strings that contain 'SA_' in the JOB_ID column. Which SQL statement do you use?()
第9题:
Examine the description of the EMPLOYEES table: EMP_ID NUMBER(4) NOT NULL LAST_NAME VARCHAR2(30) NOT NULL FIRST_NAME VARCHAR2(30) DEPT_ID NUMBER(2) JOB_CAT VARCHARD2(30) SALARY NUMBER(8,2) Which statement shows the maximum salary paid in each job category of each department?()
第10题:
假设需要查询Oracle数据文件的文件名和存储位置,可以使用如下()方式。
第11题:
User SCOTT executes the following command on the EMP table but has not issued COMMIT, ROLLBACK,or any data definition language (DDL) command: SQL> SELECT job FROM emp 2 WHERE job=’CLERK’ FOR UPDATE OF empno; SCOTT has opened another session to work with the database. Which three operations would wait when issued in SCOTT’s second session?()
第12题:
列出EMP表中,从事每个工种(JOB)的员工人数()
第13题:
( 30 )与 “ SELECT * FROM 教师表 INTO DBF A ” 等价的语句是
A ) SELECT * FROM 教师表 TO DBF A
B ) SELECT * FROM 教师表 TO TABLE A
C ) SELECT * FROM 教师表 INTO TABLE A
D ) SELECT * FROM 教师表 INTO A
第14题:
How do you start an event-triggered debug session?()
第15题:
下面哪条语句可以取出薪水最高的前三个人:()
第16题:
下列命令不能执行的是()。
第17题:
数据库中有一张表名为Emp,包含有如下列:EmpNO(雇员编号,Varchar(20),Pk),Job(职位Varchar(10)),HirDate(雇佣日期,Date),Sal(月薪,Float)。要求查询全部雇员信息应该是哪些数据?()
第18题:
数据库中有一张表名为Emp,包含有如下列:EmpNO(雇员编号,Varchar(20),Pk),Job(职位Varchar(10)),HirDate(雇佣日期,Date),Sal(月薪,Float),Comm(奖金,Float,可为空)。查询出雇员编号为791,792,793的雇员信息是()
第19题:
Using the Tivoli Dynamic Workload Console, what are two ways to change the priority of a job?()
第20题:
Click the Exhibit button and examine the data in the EMPLOYEES table. Which three subqueries work?()
第21题:
Examine the structure of the EMP_DEPT_VU view: Column Name Type Remarks EMPLOYEE_ID NUMBER From the EMPLOYEES table EMP_NAME VARCHAR2(30) From the EMPLOYEES table JOB_ID VARCHAR2(20) From the EMPLOYEES table SALARY NUMBER From the EMPLOYEES table DEPARTMENT_ID NUMBER From the DEPARTMENTS table DEPT_NAME VARCHAR2(30) From the DEPARTMENTS table Which SQL statement produces an error?()
第22题:
Which SELECT statement will the result ‘ello World’ from the string ‘Hello World’?()
第23题:
Examine the structure of the EMP_DEPT_VU view: Column Name Type Remarks EMPLOYEE_ID NUMBER From the EMPLOYEES table EMP_NAME VARCHAR2(30) From the EMPLOYEES table JOB_ID VARCHAR2(20) From the EMPLOYEES table SALARY NUMBER From the EMPLOYEES table DEPARTMENT_ID NUMBER From the DEPARTMENTS table DEPT_NAME VARCHAR2(30) From the DEPARTMENTS table Which SQL statement produces an error?()
第24题:
select Kill from the menu
select Release from the menu
select Cancel Job from the menu
select Cancel Pending from the menu