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257 lines (222 loc) · 33.9 KB
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SQL> SELECT EMP.DEPTNO,DEPT.DEPTNO
2 FROM EMP,DEPT
3 WHERE EMP.DEPTNO=DEPT.DEPTNO;
DEPTNO DEPTNO
---------- ----------
20 20
30 30
30 30
20 20
30 30
30 30
10 10
20 20
10 10
30 30
20 20
30 30
20 20
10 10
14 rows selected.
SQL> SELECT EMP.*,DEPT.*
2 FROM EMP,DEPT
3 WHERE EMP.DEPTNO=DEPT.DEPTNO;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO DEPTNO DNAME LOC
---------- ---------- --------- ---------- --------- ---------- ---------- ---------- ---------- -------------- -------------
7369 SMITH CLERK 7902 17-DEC-80 800 20 20 RESEARCH DALLAS
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30 30 SALES CHICAGO
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30 30 SALES CHICAGO
7566 JONES MANAGER 7839 02-APR-81 2975 20 20 RESEARCH DALLAS
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30 30 SALES CHICAGO
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30 30 SALES CHICAGO
7782 CLARK MANAGER 7839 09-JUN-81 2450 10 10 ACCOUNTING NEW YORK
7788 SCOTT ANALYST 7566 19-APR-87 3000 20 20 RESEARCH DALLAS
7839 KING PRESIDENT 17-NOV-81 5000 10 10 ACCOUNTING NEW YORK
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30 30 SALES CHICAGO
7876 ADAMS CLERK 7788 23-MAY-87 1100 20 20 RESEARCH DALLAS
7900 JAMES CLERK 7698 03-DEC-81 950 30 30 SALES CHICAGO
7902 FORD ANALYST 7566 03-DEC-81 3000 20 20 RESEARCH DALLAS
7934 MILLER CLERK 7782 23-JAN-82 1300 10 10 ACCOUNTING NEW YORK
14 rows selected.
SQL> SELECT EMP.*,DEPT.*
2 FROM EMP,DEPT
3 WHERE EMP.DEPTNO=DEPT.DNAME;
WHERE EMP.DEPTNO=DEPT.DNAME
*
ERROR at line 3:
ORA-01722: invalid number
SQL> SELECT E.ENAME,E.DEPTNO,D.DNAME,D.DEPTNO
2 FROM EMP E,DEPT D
3 WHERE E.DEPTNO=D.DEPTNO;
ENAME DEPTNO DNAME DEPTNO
---------- ---------- -------------- ----------
SMITH 20 RESEARCH 20
ALLEN 30 SALES 30
WARD 30 SALES 30
JONES 20 RESEARCH 20
MARTIN 30 SALES 30
BLAKE 30 SALES 30
CLARK 10 ACCOUNTING 10
SCOTT 20 RESEARCH 20
KING 10 ACCOUNTING 10
TURNER 30 SALES 30
ADAMS 20 RESEARCH 20
JAMES 30 SALES 30
FORD 20 RESEARCH 20
MILLER 10 ACCOUNTING 10
14 rows selected.
SQL> SELECT *
2
SQL> SELECT EMP.*,DEPT.LOC
2 FROM EMP,DEPT
3 WHERE EMP.DEPTNO=DEPT.DEPTNO;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO LOC
---------- ---------- --------- ---------- --------- ---------- ---------- ---------- -------------
7369 SMITH CLERK 7902 17-DEC-80 800 20 DALLAS
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30 CHICAGO
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30 CHICAGO
7566 JONES MANAGER 7839 02-APR-81 2975 20 DALLAS
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30 CHICAGO
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30 CHICAGO
7782 CLARK MANAGER 7839 09-JUN-81 2450 10 NEW YORK
7788 SCOTT ANALYST 7566 19-APR-87 3000 20 DALLAS
7839 KING PRESIDENT 17-NOV-81 5000 10 NEW YORK
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30 CHICAGO
7876 ADAMS CLERK 7788 23-MAY-87 1100 20 DALLAS
7900 JAMES CLERK 7698 03-DEC-81 950 30 CHICAGO
7902 FORD ANALYST 7566 03-DEC-81 3000 20 DALLAS
7934 MILLER CLERK 7782 23-JAN-82 1300 10 NEW YORK
14 rows selected.
SQL> SELECT EMP.*,DEPT.DNAME,DEPT.LOC
2 FROM EMP,DEPT
3 WHERE ENAME IN('SCOTT','ALLEN');
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO DNAME LOC
---------- ---------- --------- ---------- --------- ---------- ---------- ---------- -------------- -------------
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30 ACCOUNTING NEW YORK
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30 RESEARCH DALLAS
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30 SALES CHICAGO
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30 OPERATIONS BOSTON
7788 SCOTT ANALYST 7566 19-APR-87 3000 20 ACCOUNTING NEW YORK
7788 SCOTT ANALYST 7566 19-APR-87 3000 20 RESEARCH DALLAS
7788 SCOTT ANALYST 7566 19-APR-87 3000 20 SALES CHICAGO
7788 SCOTT ANALYST 7566 19-APR-87 3000 20 OPERATIONS BOSTON
8 rows selected.
SQL> SELECT EMP.*,DEPT.DNAME,DEPT.LOC
2 FROM EMP,DEPT
3 WHERE E.DEPTNO=D.DEPTNO AND EMP.ENAME IN('SCOTT','ALLEN');
WHERE E.DEPTNO=D.DEPTNO AND EMP.ENAME IN('SCOTT','ALLEN')
*
ERROR at line 3:
ORA-00904: "D"."DEPTNO": invalid identifier
SQL> SELECT EMP.*,DEPT.DNAME,DEPT.LOC
2 FROM EMP,DEPT
3 WHERE EMP.DEPTNO=DEPT.DEPTNO AND EMP.ENAME IN('SCOTT','ALLEN');
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO DNAME LOC
---------- ---------- --------- ---------- --------- ---------- ---------- ---------- -------------- -------------
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30 SALES CHICAGO
7788 SCOTT ANALYST 7566 19-APR-87 3000 20 RESEARCH DALLAS
SQL> SELECT EMP.*,DEPT.LOC
2 FROM EMP,DEPT
3 WHERE EMP.DEPTNO=DEPT.DEPTNO AND EMP.JOB IN('SALESMAN','MANAGER') AND DEPT.LOC='CHICAGO';
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO LOC
---------- ---------- --------- ---------- --------- ---------- ---------- ---------- -------------
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30 CHICAGO
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30 CHICAGO
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30 CHICAGO
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30 CHICAGO
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30 CHICAGO
SQL> SELECT E.ENAME,E.DEPTNO,D.DEPTNO,D.DNAME
2 FROM EMP E INNER JOIN DEPT D
3 ON E.DEPTNO=D.DEPTNO;
ENAME DEPTNO DEPTNO DNAME
---------- ---------- ---------- --------------
SMITH 20 20 RESEARCH
ALLEN 30 30 SALES
WARD 30 30 SALES
JONES 20 20 RESEARCH
MARTIN 30 30 SALES
BLAKE 30 30 SALES
CLARK 10 10 ACCOUNTING
SCOTT 20 20 RESEARCH
KING 10 10 ACCOUNTING
TURNER 30 30 SALES
ADAMS 20 20 RESEARCH
JAMES 30 30 SALES
FORD 20 20 RESEARCH
MILLER 10 10 ACCOUNTING
14 rows selected.
SQL> SELECT E.ENAME,E.DEPTNO,D.DEPTNO,D.DNAME
2 FROM EMP E INNER JOIN DEPT D
3 ON E.DEPTNO>D.DEPTNO;
ENAME DEPTNO DEPTNO DNAME
---------- ---------- ---------- --------------
SMITH 20 10 ACCOUNTING
ALLEN 30 10 ACCOUNTING
ALLEN 30 20 RESEARCH
WARD 30 10 ACCOUNTING
WARD 30 20 RESEARCH
JONES 20 10 ACCOUNTING
MARTIN 30 10 ACCOUNTING
MARTIN 30 20 RESEARCH
BLAKE 30 10 ACCOUNTING
BLAKE 30 20 RESEARCH
SCOTT 20 10 ACCOUNTING
TURNER 30 10 ACCOUNTING
TURNER 30 20 RESEARCH
ADAMS 20 10 ACCOUNTING
JAMES 30 10 ACCOUNTING
JAMES 30 20 RESEARCH
FORD 20 10 ACCOUNTING
17 rows selected.
SQL> SELECT E.ENAME,E.DEPTNO,D.DEPTNO,D.DNAME
2 FROM EMP E INNER JOIN DEPT D
3 ON E.DEPTNO>=D.DEPTNO;
ENAME DEPTNO DEPTNO DNAME
---------- ---------- ---------- --------------
SMITH 20 10 ACCOUNTING
SMITH 20 20 RESEARCH
ALLEN 30 10 ACCOUNTING
ALLEN 30 20 RESEARCH
ALLEN 30 30 SALES
WARD 30 10 ACCOUNTING
WARD 30 20 RESEARCH
WARD 30 30 SALES
JONES 20 10 ACCOUNTING
JONES 20 20 RESEARCH
MARTIN 30 10 ACCOUNTING
MARTIN 30 20 RESEARCH
MARTIN 30 30 SALES
BLAKE 30 10 ACCOUNTING
BLAKE 30 20 RESEARCH
BLAKE 30 30 SALES
CLARK 10 10 ACCOUNTING
SCOTT 20 10 ACCOUNTING
SCOTT 20 20 RESEARCH
KING 10 10 ACCOUNTING
TURNER 30 10 ACCOUNTING
TURNER 30 20 RESEARCH
TURNER 30 30 SALES
ADAMS 20 10 ACCOUNTING
ADAMS 20 20 RESEARCH
JAMES 30 10 ACCOUNTING
JAMES 30 20 RESEARCH
JAMES 30 30 SALES
FORD 20 10 ACCOUNTING
FORD 20 20 RESEARCH
MILLER 10 10 ACCOUNTING
31 rows selected.
SQL> SELECT E.ENAME,E.DEPTNO,D.DEPTNO,D.DNAME
2 FROM EMP E INNER JOIN DEPT D
3 ON E.DEPTNO>=D.DEPTNO
4 WHERE ENAME IN('ALLEN','SCOTT','SMITH');
ENAME DEPTNO DEPTNO DNAME
---------- ---------- ---------- --------------
SMITH 20 10 ACCOUNTING
SCOTT 20 10 ACCOUNTING
ALLEN 30 10 ACCOUNTING
SMITH 20 20 RESEARCH
SCOTT 20 20 RESEARCH
ALLEN 30 20 RESEARCH
ALLEN 30 30 SALES
7 rows selected.
SQL> SPOOL OFF;