Query to grab the sum and the most recent values?

Question

hi,
Just wondering if its possible to have a query on the temp table,
which fetches school,most_recent(sub1),sum(sub2),sum(sub3) group by school
table temp
SCHOOL DATE1 SUB1 SUB2 SUB3
ABC                    01-AUG-07 1 5 6
ABC                     02-AUG-07 2 5 6
ABC                     03-AUG-07 3 5 6
ABC                     04-AUG-07 4 5 6
ABC 05-AUG-07 5 5 6
XYZ                    01-AUG-07 6 7 8
XYZ                     02-AUG-07 7 7 8
XYZ                     03-AUG-07 8 7 8
XYZ                     04-AUG-07 9 7 8
XYZ 05-AUG-07 10 7 8
Just wondering if its possible to have a query on the temp table,
which fetches school,most_recent(sub1),sum(sub2),sum(sub3)
required output
SCHOOL SUB1 SUB2 SUB3
ABC 5 25 30
XYZ 10 35 40
thanks

Answer 1

I think you want this:
     EMPNO ENAME      JOB              MGR HIREDATE          SAL       COMM     DEPTNO
      7900 JAMES      CLERK           7698 03-12-1981        950                    30
      7902 FORD       ANALYST         7566 03-12-1981       3000                    20
      7934 MILLER     CLERK           7782 23-01-1982       1300                    10
      7876 ADAMS      CLERK           7788 12-01-1983       1100                    20
4 rows selected.
real: 63
SQL>select * from emp order by deptno;
     EMPNO ENAME      JOB              MGR HIREDATE          SAL       COMM     DEPTNO
      7782 CLARK      MANAGER         7839 09-06-1981       2450                    10
      7839 KING       PRESIDENT            17-11-1981       5000                    10
      7934 MILLER     CLERK           7782 23-01-1982       1300                    10
      7369 SMITH      CLERK           7902 17-12-1980        800                    20
      7876 ADAMS      CLERK           7788 12-01-1983       1100                    20
      7902 FORD       ANALYST         7566 03-12-1981       3000                    20
      7788 SCOTT      ANALYST         7566 09-12-1982       3000                    20
      7566 JONES      MANAGER         7839 02-04-1981       2975                    20
      7499 ALLEN      SALESMAN        7698 20-02-1981       1600        300         30
      7698 BLAKE      MANAGER         7839 01-05-1981       2850                    30
      7654 MARTIN     SALESMAN        7698 28-09-1981       1250       1400         30
      7900 JAMES      CLERK           7698 03-12-1981        950                    30
      7844 TURNER     SALESMAN        7698 08-09-1981       1500          0         30
      7521 WARD       SALESMAN        7698 22-02-1981       1250        500         30
14 rows selected.
real: 141
SQL>select * from emp a
  2  where a.hiredate in (select max(b.hiredate)
  3                       from emp b
  4                      group by b.deptno
  5                     );
     EMPNO ENAME      JOB              MGR HIREDATE          SAL       COMM     DEPTNO
      7900 JAMES      CLERK           7698 03-12-1981        950                    30
      7902 FORD       ANALYST         7566 03-12-1981       3000                    20
      7934 MILLER     CLERK           7782 23-01-1982       1300                    10
      7876 ADAMS      CLERK           7788 12-01-1983       1100                    20
4 rows selected.HTH
Ghulam