最新Oracle11g数据库基础教程课后习题答案Oracle11g数据库基础教程参考答案第5章数据库存储设置与管理P70．实训题（8）为USERS表空间添加一个数据文件，文件名为USERS05.DBF，大小为5 0MB。
ALTER TABLESPACE USERS ADD DATAFILE‘D:\ORACLE\ORADATA\ORCL\%users05.dbf’ SIZE 50M;（9）为EXAMPLE表空间添加一个数据文件，文件名为example05.dbf，大小为20MB。
ALTER TABLESPACE EXAMPLEADD DATAFILE ‘D:\ORACLE\ORADATA\ORCL\example05.dbf’ SIZE 20M;（10）修改USERS表空间中的userdata05.dbf为自动扩展方式，每次扩展5MB，最大为100MB。
ALTER DATABASE DATAFILE‘D:\ORACLE\ORADATA\ORCL\%userdata05.dbf’ AUTOEXTEND ON NEXT 5M MAXSIZE 100M;（14）为数据库添加一个重做日志文件组，组内包含两个成员文件，分别为redo5a.log和redo5b.log，大小分别为5MB。
ALTER DATABASE ADD LOGFILE GROUP 5(‘D:\ORACLE\ORADATA\ORCL\redo5a.log’,‘D:\ORACLE\ORADATA\ORCL\redo5b.log’)SIZE 5M;（15）为新建的重做日志文件组添加一个成员文件，名称为redo5c.log。
ALTER DATABASE ADD LOGFILE MEMBER ‘D:\ORACLE\ORADATA\ORCL\redo5c.log’ TO GROUP 5;（16）将数据库设置为归档模式，并采用自动归档方式。
SHUTDOWN IMMEDIATE STARTUP MOUNTALTER DATABASE ARCHIVELOG;ALTER DATABASE OPEN;ALTER SYSTEM ARCHIVE LOG START（8）ALTER TABLESPACE USERSADD DATAFILE ‘D:\ORACLE\ORADATA\ORCL\userdata05.dbf’ SIZE 50M’;（9）ALTER TABLESPACE EXAMPLEADD DATAFILE ‘D:\ORACLE\ORADATA\ORCL\example05.dbf’ SIZE 20M’;（10）ALTER DATABASE DATAFILE ‘D:\ORACLE\ORADATA\ORCL\us erdata05.dbf’ AUTOEXTEND ON NEXT 5M MAXSIZE 100M;(14)ALTER DATABASE ADD LOGFILE GROUP 5(‘D:\ORACLE\ORADATA\ORCL\redo05a.log’,’D:\ORACLE\ORADATA\ORCL\redo05b.log’)SIZE 5M;(15)ALTER DATABASE ADD LOGFILE MEMBER‘D:\ORACLE\ORADATA\ORCL\redo05c.log’ TO GR OUP 5;(16)SHUTDOWN IMMEDIATESTARTUP MOUNTALTER DATABASE ARCHIVELOG;ALTER DATABASE OPEN;ALTER SYSTEM ARCHIVE LOG START第6章数据库对象的创建与管理2．实训题Create table exer_class(CNO number(2) primary key,CNAME varchar2(20),NUM number(3))Create table exer_student(SNO number(4) primary key,SNAME varchar2(10) unique,SAGE number,SEX char(2),CNO number(2))（3）Alter table exer_student add constraint ck_sage check (sage>0 and sage<=100);（4）alter table exer_student add constraint ck_stu check(sex='M' or sex='F')modify sex default 'M'（5）Create unique index ind_cname on exer_class(cname);（6）Create view s_c asSelectsno,sname,sage,sex,/doc/3612353519.html,o,cn ame,numFrom exer_class c join exer_student sOn/doc/3612353519.html,o=/doc /3612353519.html,o;Create sequence sequ1 start with 100000001;（8）create table exer_student_range(sno number(4) primary key,sname varchar2(10),sage number,sex char(2),cno number(2))partition by range(sage)(partition part1 values less than(20) tablespace example,partition part2 values less than(30) tablespace orcltbs1,partition part3 values less than(maxvalue) tablespace orcltbs2)（9）create table exer_student_list(sno number(4) primary key,sname varchar2(10),sage number,sex char(2),cno number(2))partition by list(sex)(partition man values('M') tablespace orcltbs1,partition woman values('F') tablespace orcltbs2)（10）Create index ind on exer_student_range(sno) local;第9章PL/SQL语言基础1．实训题（1）declarecursor c_emp is select * from employees;beginfor v_emp in c_emp loopdbms_output.put_line(v_emp.first_name||''||v_/doc/3612353519.html,st_name||' '||v_emp.employee_id||' '||v_emp.salary||' '||v_emp.department_id); end loop;end;（2）declarev_avgsal employees.salary%type;beginfor v_emp in (select * from employees) loopselect avg(salary) into v_avgsal from employeeswhere department_id=v_emp.department_id;if v_emp.salary>v_avgsal thendbms_output.put_line(v_emp.first_name||''||v_/doc/3612353519.html,st_name||' '|| v_emp.employee_id||' '||v_emp.salary||' '||v_emp.department_id);end if;end loop;end;（3）declarecursor c_emp isselect e.employee_id eid,/doc/3612353519.html,st_name ename,e.department_id edid,m.employee_id mid,/doc/3612353519.html,st_name mname from employees e join employees mon e.manager_id=m.employee_id;v_emp c_emp%rowtype;beginopen c_emp;loopfetch c_emp into v_emp;exit when c_emp%notfound;dbms_output.put_line(v_emp.eid||' '||v_emp.ename||' '||v_emp.edid||' '||v_emp.mid||' '||v_emp.mname);end loop;close c_emp;end;（4）declarev_emp employees%rowtype;beginselect * into v_emp from employees where last_name='Smith';dbms_output.put_line(v_emp.employee_id||' '||v_emp.first_name||''||v_/doc/3612353519.html,st_name||' '|| v_emp.salary||' '||v_emp.department_id); exceptionwhen no_data_found theninsert into employees(employee_id,last_name,salary,email,hire_date,job_id,department_id)values(2010,'Smith',7500,'smith@/doc/361 2353519.html,',to_date('2000-10-5','yyyy-mm-dd'),'AD_VP',50);when too_many_rows thenfor v_emp in(select * from employees where last_name='Smith')loopdbms_output.put_line(v_emp.employee_id||' '||v_emp.first_name||''||v_/doc/3612353519.html,st_name||' '||v_emp.salary||' '||v_emp.department_id);end loop;end;第10章PL/SQL程序设计（1）创建一个存储过程，以员工号为参数，输出该员工的工资。
