Query To Get The Number of Seconds or Minutes or Hours Between Two Given Dates

For the Seconds:-
-------------------
SELECT ('Your first Date'-'Your another Date') * DECODE( UPPER('SS')
, 'SS', 24*60*60
, 'MI', 24*60
, 'HH', 24, NULL )
FROM DUAL;

Example:-
SELECT (SYSDATE+1-SYSDATE) * DECODE( UPPER('SS')
, 'SS', 24*60*60
, 'MI', 24*60
, 'HH', 24, NULL )
FROM DUAL;

For Minutes:-
---------------
SELECT ('Your first Date'-'Your another Date') * DECODE( UPPER('MI')
, 'SS', 24*60*60
, 'MI', 24*60
, 'HH', 24, NULL )
FROM DUAL;

Example:-
SELECT (SYSDATE+1-SYSDATE) * DECODE( UPPER('MI')
, 'SS', 24*60*60
, 'MI', 24*60
, 'HH', 24, NULL )
FROM DUAL;

For the Hours:-
-----------------
SELECT ('Your first Date'-'Your another Date') * DECODE( UPPER('HH')
, 'SS', 24*60*60
, 'MI', 24*60
, 'HH', 24, NULL )
FROM DUAL;

Example:-
SELECT (SYSDATE+1-SYSDATE) * DECODE( UPPER('HH')
, 'SS', 24*60*60
, 'MI', 24*60
, 'HH', 24, NULL )
FROM DUAL;

Thanks
Amar Alam

Log Message Short Cut for Back End and Front End

/****************
Amar Alam
****************/
PROCEDURE display_log (p_message in varchar2)
is
BEGIN
fnd_file.put_line (fnd_file.log, p_message);
dbms_output.put_line(p_message);
END display_log;

Ex:
BEGIN
display_log('Oracle Applications Blog');
END;

Thanks
Amar Alam