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Copy pathALL JOINS4.txt
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ALL JOINS4.txt
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SQL> SELECT ENAME,JOB,LOC,DNAME
2 FROM EMP, DEPT
3 WHERE EMP.DEPTNO=DEPT.DEPTNO AND
4 JOB='MANAGER' AND LOC='CHICAGO';
ENAME JOB LOC DNAME
---------- --------- ------------- --------------
BLAKE MANAGER CHICAGO SALES
SQL> ED
Wrote file afiedt.buf
1 SELECT ENAME,JOB,LOC,DNAME
2 FROM EMP INNER JOIN DEPT
3 ON EMP.DEPTNO=DEPT.DEPTNO
4* WHERE JOB='MANAGER' AND LOC='CHICAGO'
SQL> /
ENAME JOB LOC DNAME
---------- --------- ------------- --------------
BLAKE MANAGER CHICAGO SALES
SQL> ED
Wrote file afiedt.buf
1 SELECT ENAME,JOB,LOC,DNAME
2 FROM EMP NATURAL JOIN DEPT
3* WHERE JOB='MANAGER' AND LOC='CHICAGO'
SQL> /
ENAME JOB LOC DNAME
---------- --------- ------------- --------------
BLAKE MANAGER CHICAGO SALES
SQL> ED
Wrote file afiedt.buf
1 SELECT ENAME,JOB,LOC,DNAME
2 FROM EMP E NATURAL JOIN DEPT D
3* WHERE JOB='MANAGER' AND LOC='CHICAGO'
SQL> /
ENAME JOB LOC DNAME
---------- --------- ------------- --------------
BLAKE MANAGER CHICAGO SALES
SQL> ED
Wrote file afiedt.buf
1 SELECT E.ENAME,E.JOB,D.LOC,D.DNAME
2 FROM EMP E NATURAL JOIN DEPT D
3* WHERE JOB='MANAGER' AND LOC='CHICAGO'
SQL> /
ENAME JOB LOC DNAME
---------- --------- ------------- --------------
BLAKE MANAGER CHICAGO SALES
SQL> SELECT DNAME
2 FROM EMP,DEPT
3 WHERE EMP.DEPTNO=DEPT.DEPTNO AND
4 HIREDATE BETWEEN '1-JAN-1981' AND '31-DEC-1982' AND
5 SAL>1800;
DNAME
--------------
RESEARCH
SALES
ACCOUNTING
ACCOUNTING
RESEARCH
SQL> ED
Wrote file afiedt.buf
1 SELECT DNAME
2 FROM EMP INNER JOIN DEPT
3 ON EMP.DEPTNO=DEPT.DEPTNO
4 WHERE HIREDATE BETWEEN '1-JAN-1981' AND '31-DEC-1982' AND
5* SAL>1800
SQL> /
DNAME
--------------
RESEARCH
SALES
ACCOUNTING
ACCOUNTING
RESEARCH
SQL> ED
Wrote file afiedt.buf
1 SELECT DNAME
2 FROM EMP NATURAL JOIN DEPT
3 WHERE HIREDATE BETWEEN '1-JAN-1981' AND '31-DEC-1982' AND
4* SAL>1800
SQL> /
DNAME
--------------
RESEARCH
SALES
ACCOUNTING
ACCOUNTING
RESEARCH
SQL> SELECT MIN(E.SAL)
2 FROM EMP,DEPT
3 WHERE /
4 /
WHERE /
*
ERROR at line 3:
ORA-00936: missing expression
SQL> SELECT MIN(E.SAL)
2 FROM EMP E, EMP S
3 WHERE E.SAL>S.SAL;
MIN(E.SAL)
----------
950
SQL> SELECT * FROM EMP;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7369 SMITH CLERK 7902 17-DEC-80 800 20
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7566 JONES MANAGER 7839 02-APR-81 2975 20
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7782 CLARK MANAGER 7839 09-JUN-81 2450 10
7788 SCOTT ANALYST 7566 19-APR-87 3000 20
7839 KING PRESIDENT 17-NOV-81 5000 10
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7876 ADAMS CLERK 7788 23-MAY-87 1100 20
7900 JAMES CLERK 7698 03-DEC-81 950 30
7902 FORD ANALYST 7566 03-DEC-81 3000 20
7934 MILLER CLERK 7782 23-JAN-82 1300 10
14 rows selected.
SQL> SELECT MIN(E.SAL)
2 FROM EMP E JOIN EMP S
3 ON E.SAL>S.SAL;
MIN(E.SAL)
----------
950
SQL> SELECT ENAME
2 FROM EMP E, EMP S, EMP H
3 WHERE E.SAL=S.SAL AND E.HIREDATE=H.HIREDATE
4 AND E.EMPNO=S.EMPNO AND E.EMPNO=H.EMPNO AND
5 S.SAL*12>1500 AND HIREDATE<'01-JAN-82';
S.SAL*12>1500 AND HIREDATE<'01-JAN-82'
*
ERROR at line 5:
ORA-00918: column ambiguously defined
SQL> ED
Wrote file afiedt.buf
1 SELECT ENAME
2 FROM EMP E, EMP S, EMP H
3 WHERE E.SAL=S.SAL AND E.HIREDATE=H.HIREDATE
4 AND E.EMPNO=S.EMPNO AND E.EMPNO=H.EMPNO AND
5* S.SAL*12>1500 AND H.HIREDATE<'01-JAN-82'
SQL> /
SELECT ENAME
*
ERROR at line 1:
ORA-00918: column ambiguously defined
SQL> ED
Wrote file afiedt.buf
1 SELECT E.ENAME
2 FROM EMP E, EMP S, EMP H
3 WHERE E.SAL=S.SAL AND E.HIREDATE=H.HIREDATE
4 AND E.EMPNO=S.EMPNO AND E.EMPNO=H.EMPNO AND
5* S.SAL*12>1500 AND H.HIREDATE<'01-JAN-82'
SQL> /
ENAME
----------
SMITH
ALLEN
WARD
JONES
MARTIN
BLAKE
CLARK
KING
TURNER
JAMES
FORD
11 rows selected.
SQL> ED
Wrote file afiedt.buf
1 SELECT E.ENAME
2 FROM EMP E JOIN EMP S
3 WHERE E.SAL=S.SAL JOIN EMP H
4 ON E.HIREDATE=H.HIREDATE AND
5 E.EMPNO=S.EMPNO AND E.EMPNO=H.EMPNO AND
6* S.SAL*12>1500 AND H.HIREDATE<'01-JAN-82'
SQL> /
WHERE E.SAL=S.SAL JOIN EMP H
*
ERROR at line 3:
ORA-00905: missing keyword
SQL> ED
Wrote file afiedt.buf
1 SELECT E.ENAME
2 FROM EMP E JOIN EMP S
3 ON E.SAL=S.SAL JOIN EMP H
4 ON E.HIREDATE=H.HIREDATE AND
5 E.EMPNO=S.EMPNO AND E.EMPNO=H.EMPNO AND
6* S.SAL*12>1500 AND H.HIREDATE<'01-JAN-82'
SQL> /
ENAME
----------
SMITH
ALLEN
WARD
JONES
MARTIN
BLAKE
CLARK
KING
TURNER
JAMES
FORD
11 rows selected.
SQL> SELECT DNAME,LOC,D.DEPTNO
2 FROM DEPT D, EMP E, EMP M
3 WHERE D.DEPTNO=E.DEPTNO AND
4 E.EMPNO=M.EMPNO AND
5 E.MGR=M.MGR;
DNAME LOC DEPTNO
-------------- ------------- ----------
RESEARCH DALLAS 20
SALES CHICAGO 30
SALES CHICAGO 30
RESEARCH DALLAS 20
SALES CHICAGO 30
SALES CHICAGO 30
ACCOUNTING NEW YORK 10
RESEARCH DALLAS 20
SALES CHICAGO 30
RESEARCH DALLAS 20
SALES CHICAGO 30
RESEARCH DALLAS 20
ACCOUNTING NEW YORK 10
13 rows selected.
SQL> ED
Wrote file afiedt.buf
1 SELECT DNAME,LOC,D.DEPTNO
2 FROM DEPT D INNER JOIN EMP E EMP M
3 ON D.DEPTNO=E.DEPTNO JOIN EMP M
4 ON E.EMPNO=M.EMPNO AND
5* E.MGR=M.MGR
SQL> ;
1 SELECT DNAME,LOC,D.DEPTNO
2 FROM DEPT D INNER JOIN EMP E EMP M
3 ON D.DEPTNO=E.DEPTNO JOIN EMP M
4 ON E.EMPNO=M.EMPNO AND
5* E.MGR=M.MGR
SQL> /
FROM DEPT D INNER JOIN EMP E EMP M
*
ERROR at line 2:
ORA-00905: missing keyword
SQL> ED
Wrote file afiedt.buf
1 SELECT DNAME,LOC,D.DEPTNO
2 FROM DEPT D INNER JOIN EMP E
3 ON D.DEPTNO=E.DEPTNO JOIN EMP M
4 ON E.EMPNO=M.EMPNO AND
5* E.MGR=M.MGR
SQL> /
DNAME LOC DEPTNO
-------------- ------------- ----------
RESEARCH DALLAS 20
SALES CHICAGO 30
SALES CHICAGO 30
RESEARCH DALLAS 20
SALES CHICAGO 30
SALES CHICAGO 30
ACCOUNTING NEW YORK 10
RESEARCH DALLAS 20
SALES CHICAGO 30
RESEARCH DALLAS 20
SALES CHICAGO 30
RESEARCH DALLAS 20
ACCOUNTING NEW YORK 10
13 rows selected.
SQL> ED
Wrote file afiedt.buf
1 SELECT DNAME,LOC,D.DEPTNO
2 FROM DEPT D NATURAL JOIN EMP E JOIN EMP M
3 ON E.EMPNO=M.EMPNO AND
4* E.MGR=M.MGR
SQL>
SQL> /
SELECT DNAME,LOC,D.DEPTNO
*
ERROR at line 1:
ORA-25155: column used in NATURAL join cannot have qualifier
SQL> ED
Wrote file afiedt.buf
1 SELECT DNAME,LOC,D.DEPTNO
2 FROM DEPT D NATURAL JOIN EMP E JOIN EMP M
3 WHERE E.EMPNO=M.EMPNO AND
4* E.MGR=M.MGR
SQL> /
WHERE E.EMPNO=M.EMPNO AND
*
ERROR at line 3:
ORA-00905: missing keyword
SQL> ED
Wrote file afiedt.buf
1 SELECT DNAME,LOC,DEPTNO
2 FROM DEPT D NATURAL JOIN EMP E JOIN EMP M
3 WHERE E.EMPNO=M.EMPNO AND
4* E.MGR=M.MGR
SQL> /
WHERE E.EMPNO=M.EMPNO AND
*
ERROR at line 3:
ORA-00905: missing keyword
SQL> ED
Wrote file afiedt.buf
1 SELECT DNAME,LOC,DEPTNO
2 FROM DEPT D NATURAL JOIN EMP E JOIN EMP M
3 ON E.EMPNO=M.EMPNO AND
4* E.MGR=M.MGR
SQL> /
DNAME LOC DEPTNO
-------------- ------------- ----------
RESEARCH DALLAS 20
SALES CHICAGO 30
SALES CHICAGO 30
RESEARCH DALLAS 20
SALES CHICAGO 30
SALES CHICAGO 30
ACCOUNTING NEW YORK 10
RESEARCH DALLAS 20
SALES CHICAGO 30
RESEARCH DALLAS 20
SALES CHICAGO 30
RESEARCH DALLAS 20
ACCOUNTING NEW YORK 10
13 rows selected.
SQL> SELECT E.ENAME,M.ENAME
2 FROM EMP E, EMP M
3 WHERE E.MGR=M.EMPNO;
ENAME ENAME
---------- ----------
SMITH FORD
ALLEN BLAKE
WARD BLAKE
JONES KING
MARTIN BLAKE
BLAKE KING
CLARK KING
SCOTT JONES
TURNER BLAKE
ADAMS SCOTT
JAMES BLAKE
FORD JONES
MILLER CLARK
13 rows selected.
SQL> ED
Wrote file afiedt.buf
1 SELECT E.ENAME,M.ENAME
2 FROM EMP E JOIN EMP M
3* ON E.MGR=M.EMPNO
SQL> /
ENAME ENAME
---------- ----------
SMITH FORD
ALLEN BLAKE
WARD BLAKE
JONES KING
MARTIN BLAKE
BLAKE KING
CLARK KING
SCOTT JONES
TURNER BLAKE
ADAMS SCOTT
JAMES BLAKE
FORD JONES
MILLER CLARK
13 rows selected.
SQL> SELECT ENAME,DNAME
2 FROM EMP E, DEPT D
3 WHERE E.DEPTNO=D.DEPTNO AND
4 E.ENAME LIKE 'S%';
ENAME DNAME
---------- --------------
SMITH RESEARCH
SCOTT RESEARCH
SQL> ED
Wrote file afiedt.buf
1 SELECT ENAME,DNAME
2 FROM EMP E INNER JOIN DEPT D
3 ON E.DEPTNO=D.DEPTNO
4* WHERE E.ENAME LIKE 'S%'
SQL> /
ENAME DNAME
---------- --------------
SMITH RESEARCH
SCOTT RESEARCH
SQL> ED
Wrote file afiedt.buf
1 SELECT ENAME,DNAME
2 FROM EMP E NATURAL JOIN DEPT D
3* WHERE E.ENAME LIKE 'S%'
SQL> /
ENAME DNAME
---------- --------------
SMITH RESEARCH
SCOTT RESEARCH
SQL> SELECT E.ENAME
2 FROM EMP E, EMP S
3 WHERE E.SAL=S.SAL AND
4 E.EMPNO != S.EMPNO;
ENAME
----------
MARTIN
WARD
FORD
SCOTT
SQL> ED
Wrote file afiedt.buf
1 SELECT E.ENAME
2 FROM EMP E JOIN EMP S
3 ON E.SAL=S.SAL AND
4* E.EMPNO != S.EMPNO
SQL> /
ENAME
----------
MARTIN
WARD
FORD
SCOTT
SQL> SPOOL OFF;