Oracle在线练习

 oracle官方的服务 Live SQL， 挺方便的。

需要注册一个帐号

访问地址：https://livesql.oracle.com/apex/livesql/file/index.html#

https://livesql.oracle.com/apex/f?p=590:1:3298302928892::NO:::

附SCOTT帐户下的建表语句

CREATE TABLE DEPT  

    (DEPTNO NUMBER(2) CONSTRAINT PK_DEPT PRIMARY KEY,  
    DNAME VARCHAR2(14) ,  
    LOC VARCHAR2(13) ) ; 
     
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);
      
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');  
    
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('13-7-87','dd-mm-rr')-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('13-7-87', 'dd-mm-rr')-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);  



CREATE TABLE BONUS  
    (  
    ENAME VARCHAR2(10)  ,  
    JOB VARCHAR2(9)  ,  
    SAL NUMBER,  
    COMM NUMBER  
    ) ;
      
CREATE TABLE SALGRADE  
    ( GRADE NUMBER,  
    LOSAL NUMBER,  
    HISAL NUMBER );
      
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;