DB2创建EMP和DEPT并进行基础操作

--DB2创建测试表
CREATE TABLE TEST.EMP
(EMPNO INTEGER NOT NULL,
ENAME VARCHAR(10),
JOB VARCHAR(9),
MGR INTEGER,
HIREDATE DATE,
SAL DECIMAL(7, 2),
COMM DECIMAL(7, 2),
DEPTNO INTEGER
);

INSERT INTO TEST.EMP VALUES (7369, ‘SMITH‘, ‘CLERK‘, 7902,
TO_DATE(‘17-DEC-1980‘, ‘DD-MON-YYYY‘), 800, NULL, 20);
INSERT INTO TEST.EMP VALUES (7499, ‘ALLEN‘, ‘SALESMAN‘, 7698,
TO_DATE(‘20-FEB-1981‘, ‘DD-MON-YYYY‘), 1600, 300, 30);
INSERT INTO TEST.EMP VALUES (7521, ‘WARD‘, ‘SALESMAN‘, 7698,
TO_DATE(‘22-FEB-1981‘, ‘DD-MON-YYYY‘), 1250, 500, 30);
INSERT INTO TEST.EMP VALUES (7566, ‘JONES‘, ‘MANAGER‘, 7839,
TO_DATE(‘2-APR-1981‘, ‘DD-MON-YYYY‘), 2975, NULL, 20);
INSERT INTO TEST.EMP VALUES (7654, ‘MARTIN‘, ‘SALESMAN‘, 7698,
TO_DATE(‘28-SEP-1981‘, ‘DD-MON-YYYY‘), 1250, 1400, 30);
INSERT INTO TEST.EMP VALUES (7698, ‘BLAKE‘, ‘MANAGER‘, 7839,
TO_DATE(‘1-MAY-1981‘, ‘DD-MON-YYYY‘), 2850, NULL, 30);
INSERT INTO TEST.EMP VALUES (7782, ‘CLARK‘, ‘MANAGER‘, 7839,
TO_DATE(‘9-JUN-1981‘, ‘DD-MON-YYYY‘), 2450, NULL, 10);
INSERT INTO TEST.EMP VALUES (7788, ‘SCOTT‘, ‘ANALYST‘, 7566,
TO_DATE(‘09-DEC-1982‘, ‘DD-MON-YYYY‘), 3000, NULL, 20);
INSERT INTO TEST.EMP VALUES (7839, ‘KING‘, ‘PRESIDENT‘, NULL,
TO_DATE(‘17-NOV-1981‘, ‘DD-MON-YYYY‘), 5000, NULL, 10);
INSERT INTO TEST.EMP VALUES (7844, ‘TURNER‘, ‘SALESMAN‘, 7698,
TO_DATE(‘8-SEP-1981‘, ‘DD-MON-YYYY‘), 1500, 0, 30);
INSERT INTO TEST.EMP VALUES (7876, ‘ADAMS‘, ‘CLERK‘, 7788,
TO_DATE(‘12-JAN-1983‘, ‘DD-MON-YYYY‘), 1100, NULL, 20);
INSERT INTO TEST.EMP VALUES (7900, ‘JAMES‘, ‘CLERK‘, 7698,
TO_DATE(‘3-DEC-1981‘, ‘DD-MON-YYYY‘), 950, NULL, 30);
INSERT INTO TEST.EMP VALUES (7902, ‘FORD‘, ‘ANALYST‘, 7566,
TO_DATE(‘3-DEC-1981‘, ‘DD-MON-YYYY‘), 3000, NULL, 20);
INSERT INTO TEST.EMP VALUES (7934, ‘MILLER‘, ‘CLERK‘, 7782,
TO_DATE(‘23-JAN-1982‘, ‘DD-MON-YYYY‘), 1300, NULL, 10);

CREATE TABLE TEST.DEPT
(DEPTNO INTEGER NOT NULL,
DNAME VARCHAR(14),
LOC VARCHAR(13)
);

INSERT INTO TEST.DEPT VALUES (10, ‘ACCOUNTING‘, ‘NEW YORK‘);
INSERT INTO TEST.DEPT VALUES (20, ‘RESEARCH‘, ‘DALLAS‘);
INSERT INTO TEST.DEPT VALUES (30, ‘SALES‘, ‘CHICAGO‘);
INSERT INTO TEST.DEPT VALUES (40, ‘OPERATIONS‘, ‘BOSTON ‘);


-- 添加约束
ALTER TABLE TEST.EMP ADD CONSTRAINT EMP_PK PRIMARY KEY(EMPNO);
ALTER TABLE TEST.DEPT ADD CONSTRAINT DEPT_PK PRIMARY KEY(DEPTNO);
ALTER TABLE TEST.DEPT ADD CONSTRAINT EMP_FK_DEPT FOREIGN KEY(DEPTNO) REFERENCES TEST.DEPT;
ALTER TABLE TEST.EMP ADD CONSTRAINT EMP_FK_EMP FOREIGN KEY(MGR) REFERENCES TEST.EMP;