如果是不小心,删除了oracle中自带的emp 和 dept表,就能用下面的sql语句执行一下用来恢复..
或者在你的oracle安装目录中找到,${oracle}\product\10.2.0\db_2\RDBMS\ADMIN\下找到scott.sql里面就有。或者,按照别人的重新create一个连接到别人的oracle。 然后写create table emp as select * from 模式名.emp;就会原封不动的复制过来。
--建立表 和删除表;DROP TABLE DEPT;CREATE TABLE DEPT (DEPTNO NUMBER(2) CONSTRAINT PK_DEPT PRIMARY KEY, DNAME VARCHAR2(14) , LOC VARCHAR2(13) ) ;--建立表 和删除表;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dept语句块;INSERT INTO DEPT VALUES (10,'ACCOUNTING','NEW YORK');INSERT INTO DEPT VALUES (20,'RESEARCH','DALLAS');INSERT INTO DEPT VALUES (30,'SALES','CHICAGO');INSERT INTO DEPT VALUES (40,'OPERATIONS','BOSTON');---插入EMP语句块;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('12-06-1987','dd-mm-yyyy')-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('13-06-1987','dd-mm-yyyy')-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);DROP TABLE BONUS;CREATE TABLE BONUS ( ENAME VARCHAR2(10) , JOB VARCHAR2(9) , SAL NUMBER, COMM NUMBER ) ;DROP TABLE SALGRADE;CREATE TABLE SALGRADE ( GRADE NUMBER, LOSAL NUMBER, HISAL NUMBER );--插入 SALGRADE 语句块;INSERT INTO SALGRADE VALUES (1,700,1200);INSERT INTO SALGRADE VALUES (2,1201,1400);INSERT INTO SALGRADE VALUES (3,1401,2000);INSERT INTO SALGRADE VALUES (4,2001,3000);INSERT INTO SALGRADE VALUES (5,3001,9999);COMMIT;--查询部分;select * from emp;select * from dept;?