1.前言

在Oracle12c中，已經沒有了scott這一實例用戶。Oracle學習者們可以通過新建hr用戶或是新建scott用戶，來完成對Oracle的學習。

2.具體流程

登錄系統用戶

conn / as sysdba;

刪除已有的用戶(可選)

DROP USER c##scott cascade;

新建用戶，授予權限，連接

CREATE USER c##scott identified by tiger; GRANT CREATE SEQUENCE to c##scott ; GRANT UNLIMITED TABLESPACE to c##scott ; GRANT CREATE SESSION to c##scott ; GRANT CREATE SYNONYM to c##scott ; GRANT ALTER SESSION to c##scott; GRANT CREATE DATABASE LINK to c##scott; GRANT CREATE VIEW to c##scott; GRANT CREATE TABLE to c##scott; ALTER USER c##scott DEFAULT TABLESPACE USERS; ALTER USER c##scott TEMPORARY TABLESPACE TEMP; conn c##scott/tiger

新建表格并添加數據

-- DEPT表格 CREATE TABLE DEPT(DEPTNO NUMBER(2) CONSTRAINT PK_DEPT PRIMARY KEY,DNAME VARCHAR2(14) ,LOC VARCHAR2(13) ) ; -- EMP表格 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,'c##scott','ANALYST',7566,to_date('13-JUL-87')-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); -- BONUS表格 CREATE TABLE BONUS(ENAME VARCHAR2(10) ,JOB VARCHAR2(9) ,SAL NUMBER,COMM NUMBER) ; -- SALGRADE表格 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;

至此，新建c##scott用戶完成，可以開始學習Oracle了。

出處：https://blog.csdn.net/nagasami/article/details/78080128

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