Timer in Oracle

Question

Hi,
I want to introduce timer in my application i.e in my form. It continously checks whether at present if server time is not in betwwen 8:00am and 9:00 a.m it closes the application.
Any friend has any idea how to to do this.
Thanks

Answer 1

Hi,
I don't understand completly your requirements, could you explain better?
If you want to perform certain actions depending in the time, you can do something like (simple example):
Connected to Oracle Database 10g Express Edition Release 10.2.0.1.0
Connected as hr
SQL>
SQL> SET SERVEROUTPUT ON
SQL> DECLARE
  2     v_start_date DATE;
  3     v_end_date   DATE;
  4     v_date       DATE;
  5  BEGIN
  6     v_start_date := trunc(SYSDATE) + 8 / 24;
  7     v_end_date := trunc(SYSDATE) + 9 / 24;
  8     v_date := SYSDATE;
  9 
10     IF v_date < v_start_date OR v_date > v_end_date THEN
11        dbms_output.put_line('Time outside range');
12     ELSE
13        dbms_output.put_line('Time IN range');
14     END IF;
15  END;
16  /
Time outside range
PL/SQL procedure successfully completed
SQL>
SQL> SET SERVEROUTPUT ON
SQL> DECLARE
  2     v_start_date DATE;
  3     v_end_date   DATE;
  4     v_date       DATE;
  5  BEGIN
  6     v_start_date := trunc(SYSDATE) + 8 / 24;
  7     v_end_date := trunc(SYSDATE) + 9 / 24;
  8     v_date := to_date('26/04/2009 8:23','DD/MM/YYYY HH24:MI');
  9 
10     IF v_date < v_start_date OR v_date > v_end_date THEN
11        dbms_output.put_line('Time outside range');
12     ELSE
13        dbms_output.put_line('Time IN range');
14     END IF;
15  END;
16  /
Time IN range
PL/SQL procedure successfully completed
SQL> Regards,