Capturing a single Instance of a RT signal

Hello,
I've been looking through and through to find a simple way to capture a single instance of an analog input signal and store it as a constant. To be specific I want to take the very first value an analog signal outputs upon running the program and store it as a constant to be used elsewhere.
Thank you for any help the forum community might be able to provide.
Solved!
Go to Solution.

There isn't nearly enough information in your post to even begin giving an intelligent answer. More information? Do you have any code written yet?
Mike...
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Streams Setup from RAC to Single instance

Does anyone have a document to setup streams from RAC to Non RAC. I successfully setup streams on 2 single instances but I am having issues in replicating, Streams is setup on node1 or Rac and Apply process is also setup on single node. but data is not replicating.
Appreciate any suggestions.

From Metalink Note 418755.1:
Additional Configuration for RAC Environments for a Source Database Archive Logs
The archive log threads from all instances must be available to any instance
running a capture process. This is true for both local and downstream capture.
Queue Ownership
When Streams is configured in a RAC environment, each queue table has an
"owning" instance. All queues within an individual queue table are owned by
the same instance. The Streams components (capture/propagation/apply) all
use that same owning instance to perform their work. This means that
+ a capture process is run at the owning instance of the source queue.
+ a propagation job must run at the owning instance of the queue
+ a propagation job must connect to the owning instance of the target queue.
Ownership of the queue can be configured to remain on a specific instance,
as long as that instance is available, by setting the PRIMARY _INSTANCE
and/or SECONDARY_INSTANCE parameters of DBMS_AQADM.ALTER_QUEUE_TABLE.
If the primary_instance is set to a specific instance (ie, not 0), the queue
ownership will return to the specified instance whenever the instance is up.
Capture will automatically follow the ownership of the queue.If the ownership
changes while capture is running, capture will stop on the current instance
and restart at the new owner instance.
For queues created with Oracle Database 10g Release 2, a service will be
created with the service name= schema.queue and the network name
SYS$schema.queue.global_name for that queue. If the global_name of the
database does not match the db_name.db_domain name of the database, be sure
to include the global_name as a service name in the init.ora.
For propagations created with the Oracle Database 10g Release 2 code with
the queue_to_queue parameter to TRUE, the propagation job will deliver only
to the specific queue identified. Also, the source dblink for the target
database connect descriptor must specify the correct service (global name of
the target database ) to connect to the target database. For example, the
tnsnames.ora entry for the target database should include the CONNECT_DATA
clause in the connect descriptor for the target database. This claus should
specify (CONNECT_DATA=(SERVICE_NAME='global_name of target database')).
Do NOT include a specific INSTANCE in the CONNECT_DATA clause.
For example, consider the tnsnames.ora file for a database with the global name
db.mycompany.com. Assume that the alias name for the first instance is db1 and
that the alias for the second instance is db2. The tnsnames.ora file for this
database might include the following entries:
db.mycompany.com=
(description=
(load_balance=on)
(address=(protocol=tcp)(host=node1-vip)(port=1521))
(address=(protocol=tcp)(host=node2-vip)(port=1521))
(connect_data=
(service_name=db.mycompany.com)))
db1.mycompany.com=
(description=
(address=(protocol=tcp)(host=node1-vip)(port=1521))
(connect_data=
(service_name=db.mycompany.com)
(instance_name=db1)))
db2.mycompany.com=
(description=
(address=(protocol=tcp)(host=node2-vip)(port=1521))
(connect_data=
(service_name=db.mycompany.com)
(instance_name=db2)))
Use the italicized tnsnames.ora alias in the target database link USING clause.
DBA_SERVICES lists all services for the database. GV$ACTIVE_SERVICES identifies
all active services for the database In non_RAC configurations, the service
name will typically be the global_name. However, it is possible for users to
manually create alternative services and use them in the TNS connect_data
specification . For RAC configurations, the service will appear in these views
as SYS$schema.queue.global_name.
Propagation Restart
Use the procedures START_PROPAGATION and STOP_PROPAGATION from
DBMS_PROPAGATION_ADM to enable and disable the propagation schedule.
These procedures automatically handle queue_to_queue propagation.
Example:
exec DBMS_PROPAGATION_ADM.stop_propagation('name_of_propagation'); or
exec DBMS_PROPAGATION_ADM.stop_propagation('name_of_propagation',force=>true);
exec DBMS_PROPAGATION_ADM.start_propagation('name_of_propagation');
If you use the lower level DBMS_AQADM procedures to manage the propagation schedule,
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Example:
DBMS_AQADM.UNSCHEDULE_PROPAGATION('source_queue_name','destination',destination_queue=>'specific_queue');
DBMS_AQADM.SCHEDULE_PROPAGATION('source_queue_name','destination',destination_queue=>'specific_queue');, DBMS_AQADM.ENABLE_PROPAGATION_SCHEDULE('source_queue_name','destination',destination_queue=>'specific_queue');,
DBMS_AQADM.DISABLE_PROPAGATION_SCHEDULE('source_queue_name','destination',destination_queue=>'specific_queue');, DBMS_AQADM.ALTER_PROPAGATION_SCHEDULE('source_queue_name','destination',destination_queue=>'specific_queue');
Changing the GLOBAL_NAME of the Source Database
See the OPERATION section on Global_name below. The following are some
additional considerations when running in a RAC environment.
If the GLOBAL_NAME of the database is changed, ensure that any propagations
are dropped and recreated with the queue_to_queue parameter set to TRUE.
In addition, if the GLOBAL_NAME does not match the db_name.db_domain of the
database, include the global_name for the queue (NETWORK_NAME in DBA_QUEUES)
in the list of services for the database in the database parameter
initialization file.
Section 4. Target Site Configuration
The following recommendations apply to target databases, ie, databases in which
Streams apply is configured.
1. Privileges
Grant Explicit Privileges to APPLY_USER for the user tables
Examples:
Privileges for table level DML: INSERT/UPDATE/DELETE,
Privileges for table level DDL: CREATE (ANY) TABLE , CREATE (ANY) INDEX,
CREATE (ANY) PROCEDURE
2. Instantiation
Set Instantiation SCNs manually if not using export/import. If manually
configuring the instantiation scn for each table within the schema, use the
RECURSIVE=>TRUE option on the DBMS_STREAMS_ADM.SET_SCHEMA_INSTANTIATION_SCN
procedure
For DDL Set Instantiation SCN at next higher level(ie,SCHEMA or GLOBAL level).
3. Conflict Resolution
If updates will be performed in multiple databases for the same shared
object, be sure to configure conflict resolution. See the Streams
Replication Administrator's Guide Chapter 3 Streams Conflict Resolution,
for more detail.
To simplify conflict resolution on tables with LOB columns, create an error
handler to handle errors for the table. When registering the handler using
the DBMS_APPLY_ADM.SET_DML_HANDLER procedure, be sure to specify the
ASSEMBLE_LOBS parameter as TRUE.
In Streams Concepts manual 10.2 chapter 22: Monitoring Apply
Displaying detailed information about Apply errors.
4. Apply Process Configuration
A. Rules
If the maintain_* procedures are not suitable for your environment,
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ADD_GLOBAL_RULES (for DML and DDL), ADD_SUBSET_RULES (DML only).
These procedures minimize the number of steps required to configure Streams
processes. Also, it is possible to create rules for non-existent objects,
so be sure to check the spelling of each object specified in a rule carefully.
APPLY can be configured with or without a ruleset. The ADD_GLOBAL_RULES can
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specified for the apply process, all changes in the queue are processed by the apply process.
A single Streams apply can process rules for multiple tables or schemas
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For best performance, rules should be simple. Rules that include LIKE clauses are
not simple and will impact the performance of Streams.
To eliminate changes for particular tables or objects, specify the
include_tagged_lcr clause along with the table or object name in the
negative rule set for the Streams process. Setting this clause will
eliminate all changes, tagged or not, for the table or object.
B. Parameters
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+ DISABLE_ON_ERROR=N Default: Y
If Y, then the apply process is disabled on the first unresolved error,
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If N, then the apply process continues regardless of unresolved errors.
+ PARALLELISM=3* Number of CPU Default: 1
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DBMS_APPLY_ADM package. For example, to set the DISABLE_ON_ERROR parameter
of the streams apply process named APPLY_EX, use the following syntax while
logged in as the Streams Administrator:
exec dbms_apply_adm.set_parameter('apply_ex','disable_on_error','n');
Change the apply parallelism parameter recommendation to a lower number.
In general, try 4 or 8 and increase or decrease as necessary for your workload.
In some cases, performance can be improved by setting the following hidden
parameter. This parameter should be set when the major workload is UPDATEs
and the updates are performed on just a few columns of a many-column table.
+ DYNAMICSTMTS=Y Default: N
If Y, then for UPDATE statements, the apply process will optimize the
generation of SQL statements based on required columns.
CHECKPOINTFREQUENCY=1000
Increase the frequency of logminer checkpoints especially in a
database with significant LOB or DDL activity.
exec dbms_capture_adm.set_parameter('capture_ex','_checkpoint_frequency','1000');
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When Streams is configured in a RAC environment, each queue table has an
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by the same instance. The Streams components (capture/propagation/apply)
all use that same owning instance to perform their work. This means that
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instance of the target queue. the apply process is run at the owning instance
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Ownership of the queue can be configured to remain on a specific instance,
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SECONDARY_INSTANCE parameters of DBMS_AQADM.ALTER_QUEUE_TABLE. If the
primary_instance is set to a specific instance (ie, not 0), the queue
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Apply will automatically follow the ownership of the queue. If the ownership
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restart at the new owner instance.
Changing the GLOBAL_NAME of the Database
See the OPERATION section on Global_name below. The following are some
additional considerations when running in a RAC environment.
If the GLOBAL_NAME of the database is changed, ensure that the queue is
empty before changing the name and that the apply process is dropped and
recreated with the apply_captured parameter = TRUE. In addition, if the
GLOBAL_NAME does not match the db_name.db_domain of the database, include
the GLOBAL_NAME in the list of services for the database in the database
parameter initialization file.

SharePoint Designer workflow executing same lines\steps multiple time in single instance

I am working SharePoint 2010 workflow. I am facing an issue.
Problem:
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2) Out of all workflows one is set to execute on "Item Created"
3) This workflow having some lines to execute and then create an item and then wait for a change in field value.
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I did a lot of research but not able to find the solution.
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- Khan Abubakar Disclaimer: The opinions expressed herein are my own personal opinions and do not represent any others view in anyway.

Hi Khan,
According to your description, my understanding is that your workflow executed some actions three times.
What actions did you for the problematic actions?
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Please create a new list and a new workflow based on the problematic workflow, test again, compare the result.
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Wendy
Wendy Li
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https://social.technet.microsoft.com/Forums/sqlserver/en-US/dc1f802f-d8de-4e2b-87e5-ccb289593fb7/security-for-multiple-applications-on-a-single-sql-server-2012-instance?forum=sqlsecurity
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/****** Object: Login [M02_Test] Script Date: 2014-12-02 16:23:58 ******/
CREATE LOGIN [M02_Test] WITH PASSWORD=N'ÈS^y¡¶=Å€"+y¤j|úªhÖféÎÐ•œEu
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Would that do the job for the vendor who used sa before?
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in the database.
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TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Agent Version : 10.1.0.6.0
OMS Version : 10.1.0.6.0
Protocol Version : 10.1.0.2.0
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Available disk space on upload filesystem : 70.15%
Agent is Running and Ready
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TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Enter Agent Registration password :
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TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Starting agent ... started.
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TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
clearstate failed with ret=-10
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TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
EMD clearstate completed successfully
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TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
http://stdb7XXXXorg:1158/em/console/aboutApplication
Agent Version : 10.1.0.6.0
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Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Agent Version : 10.1.0.6.0
OMS Version : 10.1.0.6.0
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Total Megabytes of XML files uploaded so far : 0.00
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Size of XML files pending upload(MB) : 2.44
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Agent is Running and Ready
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TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Enter Agent Registration password :
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TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Starting agent ... started.
[oracle@stdb7 bin]$ emctl clearstate agent
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
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Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
EMD clearstate completed successfully
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TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
http://stdb7XXXXorg:1158/em/console/aboutApplication
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OMS Version : 10.1.0.6.0
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Last successful upload : (none)
Last attempted upload : (none)
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Number of XML files pending upload : 66
Size of XML files pending upload(MB) : 4.18
Available disk space on upload filesystem : 70.14%
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Stopping agent ... stopped.
Starting Oracle Enterprise Manager 10g Database Control .... started.
Logs are generated in directory /dsk0/oracle/stdb7XXXXorg_dhqprd/sysman/log
[oracle@stdb7 bin]$ emctl upload
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Agent is Not Running
[oracle@stdb7 bin]$ emctl unsecure agent
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Checking Agent for HTTP... Done.
Agent is already unsecured.
[oracle@stdb7 bin]$ emctl clearstate agent
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
EMD clearstate completed successfully
[oracle@stdb7 bin]$ emctl secure agent
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Enter Agent Registration password :
Agent is already stopped... Done.
Securing agent... Started.
Requesting an HTTPS Upload URL from the OMS... Failed.
The OMS is not set up for Enterprise Manager Security.
[oracle@stdb7 bin]$ emctl start agent
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Starting agent ... started.
[oracle@stdb7 bin]$ emctl upload
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
EMD upload error: uploadXMLFiles skipped :: OMS version not checked yet.. : 10.1.0.6.0
Protocol Version : 10.1.0.2.0
Agent Home : /dsk0/oracle/stdb7XXXXorg_dhqprd
Agent binaries : /dsk0/oracle
Agent Process ID : 25197
Parent Process ID : 25194
Agent URL : http://stdb7XXXXorg:3938/emd/main
Started at : 2009-05-12 11:25:33
Started by user : oracle
Last Reload : 2009-05-12 11:25:33
Last successful upload : (none)
Last attempted upload : (none)
Total Megabytes of XML files uploaded so far : 0.00
Number of XML files pending upload : 66
Size of XML files pending upload(MB) : 4.18
Available disk space on upload filesystem : 70.14%
Agent is already started. Will restart the agent
Stopping agent ... stopped.
Starting Oracle Enterprise Manager 10g Database Control .... started.
Logs are generated in directory /dsk0/oracle/stdb7XXXXorg_dhqprd/sysman/log
[oracle@stdb7 bin]$ emctl upload
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Agent is Not Running
[oracle@stdb7 bin]$ emctl unsecure agent
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Checking Agent for HTTP... Done.
Agent is already unsecured.
[oracle@stdb7 bin]$ emctl clearstate agent
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
EMD clearstate completed successfully
[oracle@stdb7 bin]$ emctl secure agent
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Enter Agent Registration password :
Agent is already stopped... Done.
Securing agent... Started.
Requesting an HTTPS Upload URL from the OMS... Failed.
The OMS is not set up for Enterprise Manager Security.
[oracle@stdb7 bin]$ emctl start agent
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
Starting agent ... started.
[oracle@stdb7 bin]$ emctl upload
TZ set to US/Eastern
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0
Copyright (c) 1996, 2007 Oracle Corporation. All rights reserved.
EMD upload error: uploadXMLFiles skipped :: OMS version not checked yet..
So, with this one instance and agent, I keep going in loops with the same 2 errors:
1. EMD upload error: uploadXMLFiles skipped :: OMS version not checked yet..
2. The OMS is not set up for Enterprise Manager Security.
I even followed related messages on the forums here to try to resolve the issue, but this did not work:
'- emctl stop agent
- delete all files in $AGENT_HOME/sysman/emd/upload and $AGENT_HOME/sysman/emd/state
- emctl clearstate agent (this should delete all state files but sometimes it is not enough, but I experienced that it is better to use this command after deletion of the files)
- emctl secure agent (and specify the password on demand)
- emctl start agent'
Any advice or help on HOW to secure this instance's agent and get it to upload would be greatly appreciated.
Edited by: user611572 on May 12, 2009 9:11 AM
I guess I solved my own issue, however I basically had to drop and recreate the repository and grid control for the instance, thus loosing over 3300 XML files, but now the agent is working and the server is running secure. I simply did:
emca -config dbcontrol db -repos recreate
And answered all the questions... I am wondering if the 3300+ xml files I deleted by following some guy's response in a similar thread was necessary, and if it was not, I wonder if I would have been able to upload all of the files after executing and rebuilding....

Since you have dropped the repository thats why it was needed to deleted the previous files

Oracle single instance 10.2.0.4 on AIX 5.3 with GPFS

Hi there,
Is there anybody ever that has been used oracle SINGLE instance with only all data files & its archival on AIX GPFS filesystem ? I am currently supporting on this environment, and would like to know whether there is any concern or issue.
Thank you,
Bundit

Pl post details of exact versions of OS and database. By "SINGLE", do you mean a non-RAC database ? I believe it is supported - more details in MOS Doc 282036.1 (Minimum Software Versions and Patches Required to Support Oracle Products on IBM Power Systems)
HTH
Srini

Auto-populate of SHELL_shellName_shell Upper form DE only functions in one single-instance project shell. The DE in the BP Upper Form needs to auto-populate in two separate single-instance shells. How can I get this DE to autopopulate in both?

The Unifier environment
contains two single-instance project shells, INF and PBS, and two multiple-instance child project shells, INFS and
PB. There is a single instance, non-workflow
business process, ‘Project Information’ that contains a data element in the
upper form definition, Project ID. The Project ID is set to auto-populate from the multi-instance “INFS”
project shell attribute, which is populated manually.
Issue: The auto-populate functionality for the
Project ID ‘Shell_shellName_shell’ data element within the single-instance
Project Information BP only functions within one of the shells, either
INFS or PB, but not both. The INF and INFS shells are currently deployed
to production, PB and PBS shell are not.
It is critical that Project ID ‘Shell_shellname_shell’ data element is populated correctly in the
Project Information upper form of both shells, INFS and PB,
because that data element is referenced by multiple business processes and
integrations.
The attribute form definitions for both single and multiple instance project shells are identical. The Project ID utilizes the same data
element ‘SHELL_shellName_shell’ as is defined in both shell attribute forms
(INFS and PB).
The data definition source is a Unifier system-level variable, SYS Shell
Name (String, 128, Text Box)
Potential Solutions:
1. Create a Project ID DE of another data type which can
be successfully auto-populated from either shell. Drawback: all BPs and integrations which
reference Shell_Shellname_shell will need to be rewritten.
2. Investigate converting the Project Information single-instance
to a multi-instance BP, and create a
separate instance for each single-instance shell type. Same Drawback as Option #1, but with additional
rework. Most likely Project Information
would have to be recreated as a new BP.
Not sure that this option would even work.
3. Create a separate Project Information BP for PB. Drawback: Two separate BPs for Project Information would
need to be created. All existing BPs
refer to Project Information, so this option could potentially invalidate the
ability to use the existing BPs in the PB shell.

Was it really necessary to post the whole API description?!?
Locale[] locales = Locale.ENGLISH();ENGLISH is not a method in class Locale, so do not add the braces "( );".
Also, the constant ENGLISH is not an array, but just a single Locale object.
You didn't say what your problem was. What do you want to achieve with your program and what is it that you don't understand?

ORA-44410: XE edition single instance violation error

Hi Experts,
Im trying to clone my database into another machine, That machine already have the XE database.
I created pfile ad password file for the new database.
After that
I did like this
oracle@sys23 ~$ ORACLE_SID=red
oracle@sys23 ~$ sqlplus "/as sysdba"
SQL*Plus: Release 10.2.0.1.0 - Production on Wed Dec 3 10:03:26 2008
Copyright (c) 1982, 2005, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup
ORA-32004: obsolete and/or deprecated parameter(s) specified
ORA-44410: XE edition single instance violation error
Please provide me the solutions
Advance Thanks
Sundaravel.R

With Oracle XE, you can run only one instance. What you are trying to achieve is not possible with Oracle XE. You need to change your edition of Oracle if you want multiple instances running on the same machine.

Capturing a single Instance of a RT signal

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