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SQL_17.text
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SQL> select * from emp
2 where sal=(select max(sal) from emp where sal<(select max(sal) from emp));
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
7788 SCOTT ANALYST 7566 19-APR-87 3000 20
7902 FORD ANALYST 7566 03-DEC-81 3000 20
SQL> select * from emp
2 ;
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 SAL
2 FROM EMP
3 ORDER BY SAL DESC;
SAL
----------
5000
3000
3000
2975
2850
2450
1600
1500
1300
1250
1250
1100
950
800
14 rows selected.
SQL> SELECT SAL
2 FROM EMP
3 ORDER BY SAL;
SAL
----------
800
950
1100
1250
1250
1300
1500
1600
2450
2850
2975
3000
3000
5000
14 rows selected.
SQL> SELECT EMPNO
2 FROM EMP
3 ORDER BY EMPNO;
EMPNO
----------
7369
7499
7521
7566
7654
7698
7782
7788
7839
7844
7876
7900
7902
7934
14 rows selected.
SQL> SELECT EMPNO
2 FROM EMP
3 ORDER BY EMPNO DESC;
EMPNO
----------
7934
7902
7900
7876
7844
7839
7788
7782
7698
7654
7566
7521
7499
7369
14 rows selected.
SQL> SELECT COMM
2 FROM EMP
3 ORDER BY COMM DESC;
COMM
----------
1400
500
300
0
14 rows selected.
SQL> SELECT COMM
2 FROM EMP
3 ORDER BY COMM;
COMM
----------
0
300
500
1400
14 rows selected.
SQL> SELECT ENAME
2 FROM EMP
3 ORDER BY ENAME DESC;
ENAME
----------
WARD
TURNER
SMITH
SCOTT
MILLER
MARTIN
KING
JONES
JAMES
FORD
CLARK
BLAKE
ALLEN
ADAMS
14 rows selected.
SQL> SELECT ENAME
2 FROM EMP
3 ORDER BY ENAME;
ENAME
----------
ADAMS
ALLEN
BLAKE
CLARK
FORD
JAMES
JONES
KING
MARTIN
MILLER
SCOTT
SMITH
TURNER
WARD
14 rows selected.
SQL> INSERT INTO EMP(EMPNO,ENAME)
2 VALUES(101,'a')
3 ;
1 row created.
SQL> SELECT ENAME
2 FROM EMP
3 ORDER BY ENAME DESC;
ENAME
----------
a
WARD
TURNER
SMITH
SCOTT
MILLER
MARTIN
KING
JONES
JAMES
FORD
CLARK
BLAKE
ALLEN
ADAMS
15 rows selected.
SQL> SELECT JOB
2 FROM EMP
3 ORDER BY JOB DESC;
JOB
---------
SALESMAN
SALESMAN
SALESMAN
SALESMAN
PRESIDENT
MANAGER
MANAGER
MANAGER
CLERK
CLERK
CLERK
CLERK
ANALYST
ANALYST
15 rows selected.
SQL> SELECT JOB
2 FROM EMP
3 ORDER BY JOB;
JOB
---------
ANALYST
ANALYST
CLERK
CLERK
CLERK
CLERK
MANAGER
MANAGER
MANAGER
PRESIDENT
SALESMAN
SALESMAN
SALESMAN
SALESMAN
15 rows selected.
SQL> SELECT JOB
2 FROM EMP
3 WHERE DEPTNO IN(10,30)
4 ORDER BY JOB DESC;
JOB
---------
SALESMAN
SALESMAN
SALESMAN
SALESMAN
PRESIDENT
MANAGER
MANAGER
CLERK
CLERK
9 rows selected.
SQL> SELECT JOB
2 FROM EMP
3 ORDER BY JOB DESC
4 WHERE DEPTNO IN(10,30);
WHERE DEPTNO IN(10,30)
*
ERROR at line 4:
ORA-00933: SQL command not properly ended
SQL> SELECT SAL,ENAME
2 FROM EMP
3 ORDER BY SAL DESC,ENAME ;
SAL ENAME
---------- ----------
a
5000 KING
3000 FORD
3000 SCOTT
2975 JONES
2850 BLAKE
2450 CLARK
1600 ALLEN
1500 TURNER
1300 MILLER
1250 MARTIN
1250 WARD
1100 ADAMS
950 JAMES
800 SMITH
15 rows selected.
SQL> SELECT * FROM EMP
2 ;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO
---------- ---------- --------- ---------- --------- ---------- ---------- ----------
101 a
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
15 rows selected.
SQL> SELECT SAL,ENAME
2 FROM EMP
3 ORDER BY SAL DESC,ENAME DESC;
SAL ENAME
---------- ----------
a
5000 KING
3000 SCOTT
3000 FORD
2975 JONES
2850 BLAKE
2450 CLARK
1600 ALLEN
1500 TURNER
1300 MILLER
1250 WARD
1250 MARTIN
1100 ADAMS
950 JAMES
800 SMITH
15 rows selected.
SQL> SELECT ENAME,SAL
2 FROM EMP
3 ORDER BY ENAME ASC,SAL DESC;
ENAME SAL
---------- ----------
ADAMS 1100
ALLEN 1600
BLAKE 2850
CLARK 2450
FORD 3000
JAMES 950
JONES 2975
KING 5000
MARTIN 1250
MILLER 1300
SCOTT 3000
SMITH 800
TURNER 1500
WARD 1250
a
15 rows selected.
SQL> SELECT JOB,SALARY
2
SQL> SELECT SALARY,JOB
2 FROM EMP
3 ORDER BY SAL DESC,JOB ASC;
SELECT SALARY,JOB
*
ERROR at line 1:
ORA-00904: "SALARY": invalid identifier
SQL> SELECT SAL,JOB
2 FROM EMP
3 ORDER BY SAL DESC,JOB ASC;
SAL JOB
---------- ---------
5000 PRESIDENT
3000 ANALYST
3000 ANALYST
2975 MANAGER
2850 MANAGER
2450 MANAGER
1600 SALESMAN
1500 SALESMAN
1300 CLERK
1250 SALESMAN
1250 SALESMAN
1100 CLERK
950 CLERK
800 CLERK
15 rows selected.
SQL> SELECT JOB,SAL
2 FROM EMP
3 ORDER BY JOB DESC,SAL;
JOB SAL
--------- ----------
SALESMAN 1250
SALESMAN 1250
SALESMAN 1500
SALESMAN 1600
PRESIDENT 5000
MANAGER 2450
MANAGER 2850
MANAGER 2975
CLERK 800
CLERK 950
CLERK 1100
CLERK 1300
ANALYST 3000
ANALYST 3000
15 rows selected.
SQL> ROLLBACK;
Rollback complete.
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 * FROM EMP
2 WHERE ROWNUM<=5;
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
SQL> SELECT * FROM EMP
2 WHERE ROWNUM<5;
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
SQL> SELECT * FROM EMP
2 WHERE ROWNUM>=2;
no rows selected
SQL> SELECT * FROM EMP
2 WHERE ROWNUM>=1;
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 ROWNUM FROM EMP;
ROWNUM
----------
1
2
3
4
5
6
7
8
9
10
11
12
13
14
14 rows selected.
SQL> SELECT ROWNUM,ROWID
2 FROM EMP;
ROWNUM ROWID
---------- ------------------
1 AAAMfPAAEAAAAAgAAA
2 AAAMfPAAEAAAAAgAAB
3 AAAMfPAAEAAAAAgAAC
4 AAAMfPAAEAAAAAgAAD
5 AAAMfPAAEAAAAAgAAE
6 AAAMfPAAEAAAAAgAAF
7 AAAMfPAAEAAAAAgAAG
8 AAAMfPAAEAAAAAgAAH
9 AAAMfPAAEAAAAAgAAI
10 AAAMfPAAEAAAAAgAAJ
11 AAAMfPAAEAAAAAgAAK
12 AAAMfPAAEAAAAAgAAL
13 AAAMfPAAEAAAAAgAAM
14 AAAMfPAAEAAAAAgAAN
14 rows selected.
SQL> SPOOL OFF;