ORACLE CREATE TABLE / 오라클 테이블생성

--사원테이블 생성
CREATE TABLE EMP 
(
    EMPNO NUMBER(4,0), 
	ENAME VARCHAR2(10 BYTE), 
	JOB VARCHAR2(9 BYTE), 
	MGR NUMBER(4,0), 
	HIREDATE DATE, 
	SAL NUMBER(7,2), 
	COMM NUMBER(7,2), 
	DEPTNO NUMBER(2,0)
);

--기본키 설정
ALTER TABLE EMP ADD CONSTRAINT EMP_pk PRIMARY KEY (EMPNO);

--사원 테이블 설명
COMMENT ON TABLE EMP IS '사원정보';
COMMENT ON COLUMN EMP.EMPNO IS '사원번호';
COMMENT ON COLUMN EMP.ENAME IS '사원명';
COMMENT ON COLUMN EMP.DEPTNO IS '부서번호';
   
--테이블 데이터 입력
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7369,'SMITH','CLERK',7902,to_date('80/12/17','RR/MM/DD'),800,null,20);
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7499,'ALLEN','SALESMAN',7698,to_date('81/02/20','RR/MM/DD'),1600,300,30);
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7521,'WARD','SALESMAN',7698,to_date('81/02/22','RR/MM/DD'),1250,500,30);
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7566,'JONES','MANAGER',7839,to_date('81/04/02','RR/MM/DD'),2975,null,20);
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7654,'MARTIN','SALESMAN',7698,to_date('81/09/28','RR/MM/DD'),1250,1400,30);
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7698,'BLAKE','MANAGER',7839,to_date('81/05/01','RR/MM/DD'),2850,null,30);
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7782,'CLARK','MANAGER',7839,to_date('81/06/09','RR/MM/DD'),2450,null,10);
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7839,'KING','PRESIDENT',null,to_date('81/11/17','RR/MM/DD'),5000,null,10);
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7844,'TURNER','SALESMAN',7698,to_date('81/09/08','RR/MM/DD'),1500,0,30);
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7900,'JAMES','CLERK',7698,to_date('81/12/03','RR/MM/DD'),950,null,30);
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7902,'FORD','ANALYST',7566,to_date('81/12/03','RR/MM/DD'),3000,null,20);
Insert into EMP (EMPNO,ENAME,JOB,MGR,HIREDATE,SAL,COMM,DEPTNO) values (7934,'MILLER','CLERK',7782,to_date('82/01/23','RR/MM/DD'),1300,null,10);

--커밋   
commit;