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
);

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

CREATETABLE TEST.DEPT
(DEPTNO INTEGERNOTNULL,
DNAME VARCHAR(14),
LOC VARCHAR(13)
);

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


-- 添加约束ALTERTABLE TEST.EMP ADDCONSTRAINT EMP_PK PRIMARYKEY(EMPNO);
ALTERTABLE TEST.DEPT ADDCONSTRAINT DEPT_PK PRIMARYKEY(DEPTNO);
ALTERTABLE TEST.DEPT ADDCONSTRAINT EMP_FK_DEPT FOREIGNKEY(DEPTNO) REFERENCES TEST.DEPT;
ALTERTABLE TEST.EMP ADDCONSTRAINT EMP_FK_EMP FOREIGNKEY(MGR) REFERENCES TEST.EMP;