如果Oracle数据库中的scott下的emp表不见了该怎么办啊

Question

前几天装的Oracle11 今天使用的时候突然发现scott下没有了emp表 以前是有的 练习有使用过的哈 什么情况

Answer 1

#登录数据库
sqlplus /nolog
conn scott/tiger;

--重建emp表
DROP TABLE EMP;    
CREATE TABLE EMP    
(EMPNO NUMBER(4) CONSTRAINT PK_EMP PRIMARY KEY,    
ENAME VARCHAR2(10),    
JOB VARCHAR2(9),    
MGR NUMBER(4),    
HIREDATE DATE,    
SAL NUMBER(7,2),    
COMM NUMBER(7,2),    
DEPTNO NUMBER(2) CONSTRAINT FK_DEPTNO REFERENCES DEPT);    
--插入原来的14条数据
INSERT INTO EMP VALUES(7369,'SMITH','CLERK',7902,to_date('17-12-1980','dd-mm-yyyy'),800,NULL,20);    
INSERT INTO EMP VALUES(7499,'ALLEN','SALESMAN',7698,to_date('20-2-1981','dd-mm-yyyy'),1600,300,30);    
INSERT INTO EMP VALUES(7521,'WARD','SALESMAN',7698,to_date('22-2-1981','dd-mm-yyyy'),1250,500,30);    
INSERT INTO EMP VALUES(7566,'JONES','MANAGER',7839,to_date('2-4-1981','dd-mm-yyyy'),2975,NULL,20);    
INSERT INTO EMP VALUES(7654,'MARTIN','SALESMAN',7698,to_date('28-9-1981','dd-mm-yyyy'),1250,1400,30);    
INSERT INTO EMP VALUES(7698,'BLAKE','MANAGER',7839,to_date('1-5-1981','dd-mm-yyyy'),2850,NULL,30);    
INSERT INTO EMP VALUES(7782,'CLARK','MANAGER',7839,to_date('9-6-1981','dd-mm-yyyy'),2450,NULL,10);    
INSERT INTO EMP VALUES(7788,'SCOTT','ANALYST',7566,to_date('13-JUL-1987')-85,3000,NULL,20);    
INSERT INTO EMP VALUES(7839,'KING','PRESIDENT',NULL,to_date('17-11-1981','dd-mm-yyyy'),5000,NULL,10);    
INSERT INTO EMP VALUES(7844,'TURNER','SALESMAN',7698,to_date('8-9-1981','dd-mm-yyyy'),1500,0,30);    
INSERT INTO EMP VALUES(7876,'ADAMS','CLERK',7788,to_date('13-JUL-87')-51,1100,NULL,20);    
INSERT INTO EMP VALUES(7900,'JAMES','CLERK',7698,to_date('3-12-1981','dd-mm-yyyy'),950,NULL,30);    
INSERT INTO EMP VALUES(7902,'FORD','ANALYST',7566,to_date('3-12-1981','dd-mm-yyyy'),3000,NULL,20);    
INSERT INTO EMP VALUES(7934,'MILLER','CLERK',7782,to_date('23-1-1982','dd-mm-yyyy'),1300,NULL,10);