How to calculate the Time difference between 2 dates

HI All,
I am using HR_hk_diff_btw_2_dates to calculate the employee service dates.
For that i am inputing his hire date and Term dates and Output format as '05' i am getting output perfectly....
But problem is whe i am inputting the employee hire date is Dec 1 2007 and Term date is
March 31 2009 It is coming as 1 year 3 months 31 days instead of 1 year 4 months directly .......How could we make it make last date also working day and get the O/p as 1 year 4 months ?Please Advice..
Regard
sas

1. FM for difference betwwen two times:SCOV_TIME_DIFF
Import parameters               Value
IM_DATE1                        2008-01-01
IM_DATE2                        2008-01-01
IM_TIME1                        10:00:00
IM_TIME2                        11:30:00
Export parameters               Value
EX_DAYS                         0
EX_TIME                         01:30:00
2. SD_CALC_DURATION_FROM_DATETIME : Finds the difference between two date/time and report the difference in hours
L_MC_TIME_DIFFERENCE : Finds the time difference between two date/time

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How to calculate the hour difference between two dates?

hi all,
how to calculate the hour difference between two dates?
eg i trying this...
((TO_DATE(TO_CHAR(GRNi.reference_date_4,'hh24:mi'),'hh24:mi') -
TO_DATE(TO_CHAR(NVL(GRNi.reference_date_3,SYSDATE),'hh24:mi'),'hh24:mi'))*24)*60 Act_Hr
Reg.
AAK

Hi
To break the diff between 2 dates into days, hours, minutes, sec -- you can use the following:
select to_char( created, 'dd-mon-yyyy hh24:mi:ss' ),
trunc( sysdate-created ) "Dy",
trunc( mod( (sysdate-created)*24, 24 ) ) "Hr",
trunc( mod( (sysdate-created)*24*60, 60 ) ) "Mi",
trunc( mod( (sysdate-created)*24*60*60, 60 ) ) "Sec",
to_char( sysdate, 'dd-mon-yyyy hh24:mi:ss' ),
sysdate-created "Tdy",
(sysdate-created)*24 "Thr",
(sysdate-created)*24*60 "Tmi",
(sysdate-created)*24*60*60 "Tsec"
from all_users
where rownum < 50
HTH
RangaReddy

How to calculate the time difference in answers

Hi,
I need to calculate the time difference in BI answers and I dont have the access to the repository. I have the data in the following format
10/12/2005 7:24:19 PM 10/12/2005 7:32:04 PM
10/12/2005 7:50:47 PM 10/12/2005 8:52:36 PM
10/12/2005 7:54:23 PM 11/4/2005 10:47:32 PM
10/12/2005 9:05:51 PM 10/12/2005 9:08:58 PM
10/12/2005 9:07:42 PM 10/12/2005 9:14:47 PM
10/12/2005 9:09:02 PM 10/12/2005 9:10:57 PM
I need to get the elapased hours between these two columns. Please help me
Thanks

you can use beans or create a case when statement like:
case
when TimeStampDiff(SQL_TSI_Min, table.column1, table.column2 ) <= 60 then 1 else
when TimeStampDiff(SQL_TSI_Min, table.column1, table.column2 ) > 60 and TimeStampDiff(SQL_TSI_Min, table.column1, table.column2 ) <= 90 then 1.5 else
when TimeStampDiff(SQL_TSI_Min, table.column1, table.column2 ) > 90 and TimeStampDiff(SQL_TSI_Min, table.column1, table.column2 ) <= 150 then 2.5 else
end

How to calculate the phase difference between two square wave (acquired from two channel in one DAQ)

Hello everyone ,
I need a quickly help that as below :
I am trying use PCI-6220 to acquired six signals from one rotation encoder (channel A, channel B,channel Z ,and their non-signals) .The encoder out signals will be square wave and 4000pulses per revolution. I set it rotation at 300rpm speed. I need show every square wave of six out channels in waveform and measure the A-B phase difference to check if the value is correct (designed value should be 90deg) .
I have no idea how to measure or calculate the phase difference of two square wave base on synchronizate to acquire these two square wave from two channel on the PCI-6620....
Anyone can give a idea how to calculate the phase difference with two square wave ?
Thank a lot and Thanks again...
Tim

Tim,
Here is a simple rising edge detector for one channel.
Lynn
Attachments:
Rising edge.vi ‏15 KB

How to calculate the month difference between two date char. in Query?

Customers would like to see how many months passed between two date type of characteristics (e.g., the month difference between the current date and the scheduled delivery date in the record) and put the result into the column as KF.
We would have to grab the fiscal year/period kind of value and then do the subtraction, e.g., if the current date value is 2/28/2008 and the scheduled delivery date value in the record is 12/01/2007, the correct result should be 2 month difference between these two date values, but could someone here give us the technical light on how to make this happen in query design?
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Hi Kevin,
The Badi is RSR_OLAP_BADI.
You can create an implementation using Transaction SE18.
The implementation is per cube and is defined in the filters.
In the Implementation you have the following methods :
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3. Compute. This is called per datarecord and here you can cimpute your value.
Hope this helps.
Pralay Ahluwalia

How to set the time difference between each data when sweeping voltage using keithley 2400

Hello friends,
I am using the sweep vi from Keithley in the SWEEP and Acquire measurement vi.I want to measure the voltage for every step and insert a delay in between every two data, so I need some delay between each I step.
I am a starter to use Labview, thanks so much for your answers.
Perry
Solved!
Go to Solution.
Attachments:
Keithley 24XX Sweep and Acquire Measurements.vi ‏26 KB

As Dennis said, if you're using the built-in sweep function, you'll have to check the manual. See Section 10-16 (That's section 10 page 16, not sections 10 though 16) of the Keithley 2400 User Manual.
The Keithley 24xx series has a measurement speed in units called PLC (Power Line Cycles). The default speed is 1PLC, meaning a measurement is taken every 1 power line cycle, or 1/60th of a second (16.67ms). 24XX's can go from 0.01 PLC (every 0.16ms) to 10 PLC (every 166.6ms). The faster you measure, the lower precision you get.
To set this value programmatically, the command is
ENSe:CURRent:NPLCycles <n>
ENSe:VOLTage:NPLCycles <n>
depending on what you're sensing and where <n> is the number of PLCs from 0.01 to 10.
Another factor that will determine the time between data points is the SDM cycle. These are more complicated, look at your Keithley user manual for more information. Look at Section 6 and Section 11 for more info.
Note:
PLC times are based on a US cycle of 60Hz.

How to find the time difference..?

HI
How to find the time difference between two times
for Example
the difference between '24/10/2005 8:25:00 PM' and '25/10/2005 5:20:00 AM'
is 8.55
Kris

This is a procedure taht do the job
CREATE OR REPLACE FUNCTION Diff_Time
     LD$Date_Deb IN DATE DEFAULT SYSDATE
     ,LD$Date_Fin IN DATE DEFAULT SYSDATE
     ,LN$JJ       OUT PLS_INTEGER
     ,LN$HH       OUT PLS_INTEGER
     ,LN$MI       OUT PLS_INTEGER
     ,LN$SS       OUT PLS_INTEGER
) RETURN NUMBER
IS
dif   NUMBER ;
BEGIN
IF LD$Date_Fin < LD$Date_Deb THEN
     RETURN ( -1 ) ;
END IF ;
SELECT LD$Date_Fin - LD$Date_Deb INTO dif FROM dual ;
SELECT TRUNC ( LD$Date_Fin - LD$Date_Deb) INTO LN$JJ FROM dual ;
SELECT TRUNC ( (LD$Date_Fin - LD$Date_Deb) * 24) - ( LN$JJ * 24 ) INTO LN$HH FROM dual ;
SELECT TRUNC ( (LD$Date_Fin - LD$Date_Deb) * 1440) - ( (LN$HH * 60) + ( LN$JJ * 1440) ) INTO LN$MI FROM dual ;
SELECT TRUNC ( (LD$Date_Fin - LD$Date_Deb) * 86400) - ( (LN$MI * 60) + (LN$HH * 3600) + ( LN$JJ * 3600 * 24 ) ) INTO LN$SS FROM dual ;
RETURN( dif ) ;
END ;
/You may have to modify it to fit your own requirement.
Francois

How to get the time difference (in seconds) between two timestamp fields?

Hi All,
I'm exploring validation expressions in SAP MDM Data Manager version 7.1.07.245
I have two timestamp fields, suppose Update Date and Update-GDS.
What I'm trying to do is prompt a warning when:
(Update Date minus Update-GDS) is greater than or equal to zero seconds
AND
(Update Date minus Update-GDS) is less than or equal to 900 seconds
the bottomline is, Update Date must be equal or greater than to Update-GDS but Update Date must not exceed 900 seconds difference.
my initial try was:
(Update Date - Update-GDS)>=0 s AND (Update Date - Update-GDS)<=900 s
But it always returns true even the time difference between update date and update-gds is beyond the condition.
Can you please guide me through this?
Thank you very much in advance.
Regards,
~erwin

Hi Abhishek,
I tried your code but it always returns true.
It seems subtraction of timestamp fields do not actually get the time difference... (in seconds)
Is this possible anyway? Or is there any other better approach on this?
Thanks,
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Edited by: erwin.j.rivera on Dec 14, 2011 8:40 AM

How to calculate the time between start trigger,first scan and first A/D in DAQ

Environment: Labview 6.1, N6052E DAQ board(max scan rate=333KHz, max channel rate=333KHz, settling time=3.5usec+1LSB)
I am using external scan clock 10K scan/s collecting data on 16 AI channels, and external channel clock 200KHz.
Could show me how to calculate the time betweent he start trigger, the first scan and the first A/D conversion?
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I read the one you give to me. still cannot work out. I am using Labview 6.1 DAQ vi, including AI config.vi. clock config.vi, AI control.vi, AI read.vi, working on colect data on 16 AI channels. So I belong to SCAN function and external scan and sampling timing, right?
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T1=1/10KHz or T1=1/160Khz?
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Is the above correct?

How can I measure the time difference between spikes (interspike intervals)

I have used NI USB-6008 (DAQ) to sample a continous signal, after sampling I compared the amplitude of the resulted signal with a value. If the amplitude is greater than a specific value (threshold) then it can pass. Now I want to measure the time difference between the resulted samples. The samples look like spikes. (May be if I trigger a timer, then I can measuer the time difference, but I have not seen such a timer).
Thanks in advance,
Saraydin

Oops just occured to me that you are using a 6009 which is not very fast, 48ks/sec, this will not get you very much time resolution and you could have issues seeing much of a 50 us sample. Another approach is to use the counter but you would have to preprocess the spikes to generate a trigger for the counter.
Paul
Paul Falkenstein
Coleman Technologies Inc.
CLA, CPI, AIA-Vision
Labview 4.0- 2013, RT, Vision, FPGA

How to find the structural difference between two tables

Hi all,
How to find the structural difference between two tables .
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PL/SQL Release 11.1.0.7.0 - Production
CORE 11.1.0.7.0 Production
TNS for 32-bit Windows: Version 11.1.0.7.0 - Production
NLSRTL Version 11.1.0.7.0 - Production
Thanks,
P Prakash

you could try something similar to this, for each table pair that you want to compare:
SELECT 'TABLE_A has these columns that are not in TABLE_B', DIFF.*
FROM (
        SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH
          FROM all_tab_columns
         WHERE table_name = 'TABLE_A'
         MINUS
        SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH
          FROM all_tab_columns
         WHERE table_name = 'TABLE_B'
      ) DIFF
UNION
SELECT 'TABLE_B has these columns that are not in TABLE_A', DIFF.*
FROM (
        SELECT COLUMN_NAME, DATA_TYPE, DATA_LENGTH
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         WHERE table_name = 'TABLE_B'
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How to Calculate Sum of Difference between two dates

Hi,
I'm using BI Publisher in Siebel CRM.
In RTF template I have the following expression to calculate the Difference between dates
<?xdoxslt:date_diff( 'd' , psfn:totext(CIRGSubmittedDate,"yyyy-MM-dd","MM/dd/yyyy"), psfn:totext(Done,"yyyy-MM-dd","MM/dd/yyyy"), $_XDOLOCALE, $_XDOTIMEZONE)?>
The above expression works for me to calculate the dates.
I need to calculate the Sum of all these dates for a Group.
Want to know the Syntax for Sum function using Date_diff.
Tried the following and didn't work.
<?Sum(xdoxslt:date_diff( 'd' , psfn:totext(CIRGSubmittedDate,"yyyy-MM-dd","MM/dd/yyyy"), psfn:totext(Done,"yyyy-aMM-dd","MM/dd/yyyy"), $_XDOLOCALE, $_XDOTIMEZONE))?>
Not sure what I'm doing wrong here...
Anyone please help...
Thanks
PV

Hi
To break the diff between 2 dates into days, hours, minutes, sec -- you can use the following:
select to_char( created, 'dd-mon-yyyy hh24:mi:ss' ),
trunc( sysdate-created ) "Dy",
trunc( mod( (sysdate-created)*24, 24 ) ) "Hr",
trunc( mod( (sysdate-created)*24*60, 60 ) ) "Mi",
trunc( mod( (sysdate-created)*24*60*60, 60 ) ) "Sec",
to_char( sysdate, 'dd-mon-yyyy hh24:mi:ss' ),
sysdate-created "Tdy",
(sysdate-created)*24 "Thr",
(sysdate-created)*24*60 "Tmi",
(sysdate-created)*24*60*60 "Tsec"
from all_users
where rownum < 50
HTH
RangaReddy

How to Calculate the Time Between two days in ABAP

Hi,
              I have one scenario like i need to calculate the time between two days please can you suggest me.
Thanks,
Harinath

Hi Peeleti,
            Check this code,
DATA : DATE1 LIKE SY-DATUM VALUE '19830125',
       DATE2 LIKE SY-DATUM VALUE '20070219',
       DAYS1 TYPE I,
       WEEK1 TYPE I,
       MONTH1 TYPE I,
       YEAR1 TYPE I,
       C_YEARS1 TYPE I.
CALL FUNCTION 'HR_99S_INTERVAL_BETWEEN_DATES'
EXPORTING
BEGDA           = DATE1
   endda           = DATE2
TAB_MODE        = ' '
IMPORTING
DAYS            = DAYS1
C_WEEKS         =
C_MONTHS        = C_YEARS1
C_YEARS         = C_YEARS1
WEEKS           = WEEK1
MONTHS          = MONTH1
YEARS           = YEAR1.
D_MONTHS        =
MONTH_TAB       =
*WRITE : / 'DAYS   = ', DAYS1,
        / 'WEEKS = ',WEEK1,
      / 'MONTHS = ', MONTH1,
      / 'YEARS   = ', YEAR1.
Using this code you can calculate the No Of Days Between two dates. Based On days you will easily calculate the Hour. [ No of days * 24 ].
Thanks.
Reward If helpful.

How to calculate the time between triggering the signal and receiving back

i want the time elapsed between triggering the signal and receiving it back through a ultrasonic sensor in compactrio labview fpga.

thank you sir for your reply, but im working on fpga target cRIO-9082 chassis it wont support those palletes , yah if i dont work on fpga target then i can use those palletes ....in attaching the vi for generating a digital pulse and acquiring it back but yrt dint got any idea hot to determine the time...if the vi is wrong please make the neccessary changes. i used this vi to determine the total time between trigger and receving signal of ultrasonic sensor.
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Attachments:
pulse generation.vi ‏51 KB

How to find out time difference between 2 consecutive characters coming in

Hi
Data is coming on serial port and m taking this data in a input stream.I need to know the time difdference between consecutive characters.Any ideas?

What do you mean? If you meassure the time between two characters, you want to calculate how accurate it is? First you would need to find out how accurate the System.currentTimeMillis is on the platform you run on. That may be easy
long start = System.currentTimeMillis();
long end;
while ((end = System.currentTimeMills()) == start);
long delta = end - start;But sometimes (on win98) it reports 50, other times 60. So its not quite accurate. But you could redo that test a couple of times and take the avg or the max.
Then if you get a time difference of 0ms between two characters, you know it will be somewhere 0 and 60ms. If you get 60ms between two characters, you know it will be somewhere between 0 and 120 ms. It's +/- delta seconds accurate.
Would this be a way to calculate the percentage accuracy: 100.0-100.0*delta/(time+delta)
Still better to meassure the time over more than just 2 characters unless it is a very slow stream.

How to calculate the Time difference between 2 dates

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