different type of terminals of elapsed time of the DAQ assistant

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  I don't know how long the framework works because I just need a way to input what time her (ms or s) to a given point during execution, from t = 0 each execution.

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• Calculate the elapsed time between the horodateurs log Table

  Hello

  I'm looking for some codes SQL allows to calculate the elapsed time between the timestamps in a log table.  The log table has some STOP-START operations.

  I just want to calculate the elapsed time between the START and PAUSE of Transactions, as well as START and EXECUTE transactions.

  So, in the example below, the time spent must be:

  START 09:15 break 09:20 (5 Minutes)
  START 09:30 to 09:45 (15 Minutes) FULL

  Total elapsed time for LOG_ID 1234 should be 20 minutes.  This excludes the 09:20 at 09:30 BREAK at the START time.

  LOG_ID	SEQ_NUM	LOG_TYPE_CD	CRE_DTTM
  1234	1	BEGINNING	09-15 - 2013:09:15:00
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  1234

  3

  BEGINNING

  09-15 - 2013:09:30:00

  1234

  4

  ALL THE

  09-15 - 2013:09:45:00

  Any suggestions?

  Thanks for your time

  -DT

  Hello

  Thanks for posting the CREATE TABLE and INSERT.  be sure to post the results desired from these data.

  user13071913 wrote:

  Hi thanks for the help...

  The date is a true timestamp.  ...

  Here's a sample of CREATE TABLE and a few inserts.  3 ID transaction, each with a series of journal entries.

  CREATE TABLE 'LOG_TABLE_X '.

  (SELECT 'ID' CHAR (14 BYTES) NOT NULL,)

  ACTIVATE THE "LOG_TYPE_FLG" TANK (4 BYTES) NOT NULL,

  ALLOW "LOG_DTTM" DATE NOT NULL

  );

  ...

  I'm so confused.  Is log_dttm a TIMESTAMP, you said in the story, or is it a DATE, as you say in the CREATE TABLE statement, or is it a VARCHAR2 as Thur INSERT statements?  I'll assume it's a DATE.

  I left out an important step yesterday.  The computation of the last_start, we need to use a CASE statement so that we record only the time of events STRT.

  Here's the revised query:

  WITH got_last_start AS

  (

  SELECT id, log_type_flg, log_dttm

  LAST_VALUE (CASE

  WHEN log_type_flg = "STRT".

  THEN log_dttm

  END

  IGNORES NULL VALUES

  ) OVER (PARTITION BY id - can - be

  ORDER BY log_dttm

  ) AS last_start

  OF log_table_x

  )

  SELECT id, log_type_flg, log_dttm

  , (log_dttm - last_start) * 24 * 60 elapsed

  , SUM (log_dttm - last_start) OVER (PARTITION BY ID.

  ORDER BY log_dttm

  ) * 24 * 60 AS total_elapsed

  OF got_last_start

  WHERE log_type_flg IN ("CMPT", "PAUS")

  ORDER BY id, log_dttm

  ;

  Output of your sample data:

  ID LOG_ ELAPSED TOTAL_ELAPSED LOG_DTTM

  -------------- ---- ------------------- -------- -------------

  1111 PAUS 09-26 - 2013:09:09:58.17.17

  1111 CMPT 09-26 - 2013:10:09:58 1.00.83

  2222 CMPT 09-26 - 2013:12:09:58 180.00 180.00

  3333 CMPT 09-26 - 2013:10:09:42 59.73 59.73

  In Oracle, when you subtract one DATE from another DATE, the result is the NUMBER of days between them.  In the above query, I multiplied the past columns and total_elapsed by the number of minutes per day (24 * 60), to show the time in minutes.

• Elapsed time for the materialized view vs Master table query

  Hello all;
  
  Small confusion about time up for the vs Master materialized view table query
  
  

  SQL > select count (*), sum (quan_sold), sum (amt_sold) of the sale;

  COUNT (*) SUM (QUAN_SOLD) SUM (AMT_SOLD)
  6000000 12000000 720480000
  Elapsed time: 00:00:30.54
  

  SQL > create materialized view mv1
  2 activate the rewrite of the query as
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  Materialized view created.
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  SQL > select count (*), sum (quan_sold), sum (amt_sold) of the sale;

  COUNT (*) SUM (QUAN_SOLD) SUM (AMT_SOLD)
  6000000 12000000 720480000
  Elapsed time: 00:00:00.01
  
  Please see the three cases "Elapsed Time"...
  
  When comparing other cases.
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  2. create a materialized view takes less time (01:45) why?
  
  Source: http://uhesse.com/2009/07/08/brief-introduction-into-materialized-views/

  >
  Small confusion about elapsed time for the materialized view vs Master table query

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  COUNT (*) SUM (QUAN_SOLD) SUM (AMT_SOLD)
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  Elapsed time: 00:00:30.54

  SQL > create materialized view mv1
  2 activate the rewrite of the query as
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  Materialized view created.
  Elapsed time: 00:00:01.45

  SQL > select count (*), sum (quan_sold), sum (amt_sold) from the sale.

  COUNT (*) SUM (QUAN_SOLD) SUM (AMT_SOLD)
  6000000 12000000 720480000
  Elapsed time: 00:00:00.01

  Please see the three cases "Elapsed Time"...

  When comparing other cases.
  1. my query takes long time (30.54), extraction of data from the sale
  2. create a materialized view takes less time (01:45) why?
  >
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  Also, you haven't checked that the MV was even used for the second run.

  Drop the MV and make the query several times and means of the time. Then create the MV and do the same thing.

• How to create different types of analog inputs without using the DAQ assistant?

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  Can anyone suggest me please how to do / I submit my VI for reference... I have 5 tensions, and 2 temperature characterized as showing these 2 two separate graphics...

  
  

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  I use LabView to an NI USB-6009 enclosure, with two accelerometers like my analog input. When you use DAQ Assistant to build my VI I have not seen an option to measure continuously for a set amount of time. I need the test to run for two seconds and then stop.

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• How do I know the elapsed time

  
  

  Hello

  The difference between your option (a) and (b) is as below:

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  Thank you

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  Published by: frank.hampshire on June 21, 2011 10:01