Auto sequence 2 be used in a database trigger

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  Rob Brown - Microsoft MVP<- profile="" -="" windows="" expert="" -="" consumer="" :="" bicycle="" -="" mark="" twain="" said="" it="">

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  8dc1e333-95ad-4714-9820-16d3e4296c4d wrote:

  In other words, I just want to use the database A to build and enhance the application.

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  comment "works like «pattern analysis"»

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  Required Code changes

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  NO.

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  Hello

  I have a photonfocus MV-D1024E-160-CL-CMOS camera. I'm generating a square signal of a NOR-DAQ. I want the camera to image acquisition on each falling edge or rising edge of the signal. I've seen examples related to IMAQdx drivers to get a sequence of images using an external trigger like this, but there is no examples for the IMAQ. If anyone can post a few examples, it would be really useful. I saw the example of component snap off and tried to use it. But I think that if I use the encoding that is used in this example it will only launch the sequence rather than what I want. Thanks in advance for anyone who can help me in this regard.

  Hello

  Have you acquired images triggered in MAX when using the pulse width to determine the exposure time? It is always good to make a step back with these changes and make sure things are running at a more basic level.

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• Database trigger can not see the package global variable after assign in my form

  Hello

  I faced the problem with the trigger and the package variable global using the form designer

  first of all, I get the local IP address machine using WEBUTIL in triggering of the PREFORM and initialize my global package variable by ' Client_Info_Pkg.Set_IP_Address (WEBUTIL_CLIENTINFO.» GET_IP_ADDRESS); ", then I tried to make the DML operation in my form and at the same time I trigger database also uses the package global variable of" Client_Info_Pkg.Gand_IP_Address; "to read in the package, and then insert it into the audit table

  
  

  The question this database trigger may not feel the initialization "Client_Info_Pkg.Set_IP_Address (WEBUTIL_CLIENTINFO. GET_IP_ADDRESS)' I did in triggering of the PREFORM and I used to wonder if oracle create new session to run this trigger so he can't see my boot or what?!. .

  the package

  CREATE OR REPLACE PACKAGE Client_Info_Pkg

  Global_IP_Address VARCHAR2 (100);

  FUNCTION Get_IP_Address RETURN VARCHAR2;

  PROCEDURE Set_IP_Address (p_Machine_Name IN VARCHAR2);

  END Client_Info_Pkg;

  /

  CREATE OR REPLACE PACKAGE BODY Client_Info_Pkg

  FUNCTION Get_IP_Address RETURN VARCHAR2 IS

  BEGIN

  RETURN Global_IP_Address;

  END;

  PROCEDURE Set_IP_Address (p_IP_Address IN VARCHAR2) IS

  BEGIN

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  END Client_Info_Pk

  relaxation

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

  CREATE OR REPLACE TRIGGER RUNERP.FO_DOC_TYPES_L_T

  BEFORE INSERT OR UPDATE OR DELETE ON FO_DOC_TYPES

  REFERRING AGAIN AS NINE OLD AND OLD

  FOR EACH LINE

  BEGIN

  IF THE INSERTION

  RUN IMMEDIATELY ' INSERT INTO FO_DOC_TYPES_LOG

  VALUES ("I",: DOC_TYPE_ID,: DOC_TYPE_VALUE,: DOC_TYPE_NAME,: Vip_Address' HELP: NEW.) DOC_TYPE_ID,: NEW. DOC_TYPE_VALUE,: NEW. DOC_TYPE_NAME, Client_Info_Pkg.Get_IP_Address;

  END IF;

  IF THE UPDATE CAN

  RUN IMMEDIATELY ' INSERT INTO FO_DOC_TYPES_LOG

  VALUES ("U",: DOC_TYPE_ID,: DOC_TYPE_VALUE,: DOC_TYPE_NAME,: Vip_Address) "USING: NEW." DOC_TYPE_ID,: NEW. DOC_TYPE_VALUE,: NEW. DOC_TYPE_NAME, Client_Info_Pkg.Get_IP_Address;

  END IF;

  IF REMOVE THEN

  RUN IMMEDIATELY ' INSERT INTO FO_DOC_TYPES_LOG

  VALUES ("D",: DOC_TYPE_ID,: DOC_TYPE_VALUE,: DOC_TYPE_NAME,: Vip_Address) "USING: NEW." DOC_TYPE_ID,: NEW. DOC_TYPE_VALUE,: NEW. DOC_TYPE_NAME, Client_Info_Pkg.Get_IP_Address;

  END IF;

  END;

  /

  Thanks in advance

  I solved my problem by using the CONTEXT object, Michael thank you for your interest.

• user name of the user who runs an Apex application in a database trigger

  Hello
  
  I need to fill a field of the audit in a trigger of database with the username of the user who runs an Apex application.
  In Oracle forms, I would have used the keyword "USER", I tried to use
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  Can someone tell me how I can get the real of the user connected to the application of the Apex of a database trigger?
  
  I thank in advance for any assistance.

  Might want this in addition:

  nvl(v('APP_USER'), user)
  

  Since the database has no notion of the Apex, if you never update/insert/etc ' ing outside a session of Apex, v() will return a null value. That may be fine for your needs, but if your column is not nullable, it will throw an error.

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• Database trigger to get the value of Variable forms... How... ??

  Hello
  
  I have a global varibale in a form having a block of the base table. I created a trigger on the base table data after deletion/update, it will include all the updates/delete lines in the Table of Trail.
  
  I want to insert this global variable (which is available in the form) in the Trail Table as well as all other values of the record with the database trigger. But this global variable is available in the form not available in the database trigger. How to pass this variable to database trigger...
  
  
  Help, please...
  Thank you and best regards.

  Hello

  Package variables are specific session.

  If user1 is
  PAK_TEST.lv_user = 'user1'
  In the other schema user2
  PAK_TEST.lv_user will always be the null value.

  Locking won't, if you commit records using the trigger.
  Kind regards
  Franck

• Logon using SRVCTL to dataguard trigger

  Hi all
  
  I'm under Oracle 11 GR 2 using the 11g grid infrastructure. I have a database main on the same machine and one physical availability on another two subscribers to the SIR as their type of role and where also their startup type (for example, open, build the stage)
  
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  The command to change it is on physics is on the side of Eve: -.
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  and on the primary side
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  that I can do it manually. I already have a start on the database trigger to start and stop services on the basis of data depending on what is the role. So I thought that I try and exploit that by running the command SRVCTL to breast she also well. So as a quick run, I just created a dbms_Scheduler job in the procedure and he ran.
  
  Start
  () DBMS_SCHEDULER.create_job
  job_name = > 'TEST_JOB6 ',.
  JOB_TYPE = > 'EXECUTABLE. "
  JOB_ACTION = > ' / u01/app/oracle/product/11.2.0/grid/bin/srvctl',
  repeat_interval = > null,
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  number_of_arguments = > 1
  );
  
  () dbms_Scheduler.set_job_Argument_value
  job_name = > 'TEST_JOB6 ',.
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  argument_value = > 'change the d < physical_standby > - r PRIMARY database '.
  );
  
  dbms_Scheduler.enable ('TEST_JOB6');
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  /
  
  And then I run it: -.
  
  SQL > exec dbms_scheduler.run_job ('TEST_JOB6', FALSE);
  PL/SQL procedure successfully completed.
  
  SQL > select additional_info in the dba_scheduler_job_run_details where job_name = "TEST_JOB6";
  
  ADDITIONAL_INFO
  ---------------------------
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  Unique name of database: < physical_standby >
  Name of the database:
  Oracle home: /u01/app/oracle/product/11.2.0/dbhome_1
  User Oracle: oracle
  SPFile:
  Domain:
  Startup options: climb
  Stop options: immediate
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  Management policy: AUTOMATIC
  Disk groups:
  Services:
  
  As you can see... nothings changed, but he did not report any error. If someone has done something like this before?

  Yes, you will need to run the commands you said manually after each change of role, if you do not use the broker.

  As for your work. Hmmm, I would have thought that your job must have worked. Am I correct in assuming that you have performed this work after you had swung to the waiting and it's now the primary?

  We used this type of work in the document of failover customer MAA (http://www.oracle.com/technology/deploy/availability/pdf/MAA_WP_10gR2_ClientFailoverBestPractices.pdf) where we had to manually pull the Publisher for thin JDBC clients in 10g.

  CREATE OR REPLACE TRIGGER ons_JDBCpublish AFTER DB_ROLE_CHANGE ON DATABASE
  BEGIN
  () dbms_scheduler.create_job
  job_name-online "publish_events."
  job_type-online "executable."
  job_action =>'/ u01/oracle/product/10.2.0/db_1/bin/cfo.sh',
  enabled-TRUE online
  );
  END;

  It might have something to do with the part of the argument. Try to put the srvctl command into a script and call the job wrapper script and see if it works.

  Larry