Cascade of two functions of table build - what happens?

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  I have a question about the order of execution.  In the WHILE loop, I have two things to measure, period and tension using the DAQmx READ functions for voltage and the meter.  In the end, I want to collect these data as points almost simultaneously as possible, as a pair and then send them together to another piece of code (not shown here) which them will result in some sort of command for an engine.  It would be run, and then I want to perceive the tension and the period at a time later and do the same thing.

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  Thank you

  Dave

  Hi David,

  I suggest including the DAQmx Start Task function. If it does not start before the loop, it starts the loop and work very well, but it is not as fast and efficient. In the model of task status, task wiill go to run the checked each iteration of the loop and then back the time checked running when it restarts.

  The status of the task model: http://zone.ni.com/reference/en-XX/help/370466V-01/mxcncpts/taskstatemodel/

  Kind regards

  Jason D

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  National Instruments

• Compare the content of two equal nested tables

  I'm working on a black box test where I compare the contents of two structurally equal tables before and after executing a script of some. My two tables, MDQ_OLD and MDQ_NEW, are filled with the data in two separate operations.

  The two tables, I'll compare are nested, as you can see in the CREATE TABLE scripts below.

  I tried to use the less-operator sign, but without success.

  I also tried to select data in a type that is % ROWTYPE to my nested tables, but it does not work as well (see the below script in this post).

  Can you please help me on this problem on how to compare the content of two nested tables?

  Run the scripts below to reproduce the problem and be sure to update this post if more information is required.

  -The scripts below-

  Select * from version of v$.

  Oracle Database 11 g Enterprise Edition Release 11.2.0.4.0 - 64 bit Production

  PL/SQL Release 11.2.0.4.0 - Production

  CORE Production 11.2.0.4.0

  AMT for Linux: Version 11.2.0.4.0 - Production

  NLSRTL Version 11.2.0.4.0 - Production

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  - Then I create two equal nested tables

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  Insert into MDQ_NEW (MDQ_ID, MDQ_DETAILS) Values (2, T_MDQ_DETAIL (MDQ_DETAIL(1,'desc1')));

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  Select * from MDQ_NEW

  less

  Select * from MDQ_OLD;

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  myTypeOld MDQ_OLD % ROWTYPE;

  myTypeNew MDQ_New % ROWTYPE;

  myTypeDiff MDQ_New % ROWTYPE;

  Start

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  Select * bulk collect into mdq_new myTypeNew;

  -Need a 'compare the function of membership card' on the types of multiset except to work, but as far as I

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  myTypeDiff: = multiset myTypeOld except myTypeNew.

  end;

  -Cleaning:

  drop table MDQ_OLD;

  drop table MDQ_NEW;

  type of projection MDQ_PARENT;

  type of projection T_MDQ_DETAIL;

  type of projection MDQ_DETAIL;

  > queries you provided intercepts not who.

  You asked how to compare the content of nested tables.

  I knew that you didn't ask for what you actually want, that's why I asked you to specify the comparison more in detail.

  > Do you have a query that grabs this difference as well?

  SELECT o.mdq_id, od.*
  OF mdq_old o, TABLE (o.mdq_details) od
  LESS
  SELECT n.mdq_id, nd.*
  OF mdq_new n, TABLE (n.mdq_details) nd;

  > Also, if possible, do you have a sample of a statement to COLLECT LOOSE, please?

  Actually, you raise an interesting point on using % ROWTYPE, in my view, that should be. This make...

  DECLARE
  TYPE rt_mdq_new () IS RENDERING
  mdq_id NUMBER,
  mdq_details t_mdq_detail);
       
  TYPE tt_mdq_new IS TABLE OF THE rt_mdq_new;
    
  t_mdq_new tt_mdq_new;
  BEGIN
  SELECT mdq_id, mdq_details
  LOOSE COLLECTION t_mdq_new
  OF mdq_new min.;
  END;
  /

  DECLARE
  CURSOR c_mdq_new
  IS
  SELECT mn.*
  OF mdq_new min.;
       
  TYPE tt_mdq_new IS TABLE OF c_mdq_new % ROWTYPE;
    
  t_mdq_new tt_mdq_new;
  BEGIN
  OPEN c_mdq_new.
  Get the c_mdq_new COLLECT in BULK IN t_mdq_new;
  CLOSE C_mdq_new;
  END;
  /

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