Question { 8711 }

tell me the scenarios of between pages in reports

Answer

Between pages trigger fires when ever we are moving current
page to next page.
if we have N no. of pages it will fires N-1 times.

Question { KPIT, 32684 }

What is the different between 11i and R12 in oracle ?

Answer

Hi,
Please can u explain with examples or real time scenarios.


thanks

eshwer

Question { 15783 }

How do you retrieve the last N records from a table?

Answer

Nani is currect....


We can also write the following quere
observe the querey

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(SELECT EMP.*,ROWNUM R FROM EMP) WHERE R>(SELECT COUNT(*) -&N FROM EMP);
Enter value for n: 5
old 1: SELECT * FROM(SELECT EMP.*,ROWNUM R FROM EMP) WHERE R>(SELECT COUNT(*) -&N FROM EMP)
new 1: SELECT * FROM(SELECT EMP.*,ROWNUM R FROM EMP) WHERE R>(SELECT COUNT(*) -5 FROM EMP)

EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO R
---------- ---------- --------- ---------- --------- ---------- ---------- ---------- ----------
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30 10
7876 ADAMS CLERK 7788 23-MAY-87 1100 20 11
7900 JAMES CLERK 7698 03-DEC-81 950 30 12
7902 FORD ANALYST 7566 03-DEC-81 3000 20 13
7934 MILLER CLERK 7782 23-JAN-82 1300 10 14

SQL>

Question { Wells Fargo, 17782 }

I want to know last five transactions or records from emp
table, from now?

Answer

create trigger on emp table with last_transaction with datatype as date or timestamp,

now you have to use dml commands on emp table, when ever u done any modifications on the table these will be inserted in
last_transaction with sysdate with last modification time,

based on time we can find out the last transactions

based on