How to program querying database adapter?

Similar Questions

• Recommendation for storing the database adapter / password

  Hi, so far I have just to save the password for the database in the database connection object to Jdeveloper (I check the option "password to deploy") and this is how I use the database adapter, but, if I want to change the DB password?
  
  So which is the best way to store a password of 'dynamic' database to use with bpel?

  You use data sources. The JNDI name location that you set at design time must be configured on the application server. In this way, you can change the DB connections on the application server. This is how we move through environments. You must also make sure that your development team uses the same connection names.

  see you soon
  James

• How to reach the sequence in the database adapter query?

  Hi all

  I try voting records of the DB who gets the power from the external ERP system event. If the ORDER is important. I need to run these in order and I'm running in the environment in clusters (4 nodes). This parallelism is dead my processing sequence. I already used "Order By" in the configuration of the database adapter which does not guarantee the 100% according to the doc Oracle sequence.

  All the entries here?

  Thank you!!

  It is a classic problem, and it's not easy to solve... in fact I tend to think that it would be easier to re-design it, so you can have idempotent operations that don't depend on order, so you can unleash the power of a cluster multi environment... It is paradoxical to have such a power, and must treat a record after another like the old days...

  In any case, in reality, you can try with the mediator resequencer...

  https://docs.Oracle.com/middleware/1213/soasuite/develop-SOA/mediator-Resequencer.htm#SOASE85099

  The resequencer pick transposes in a related message flow but out of sequence in a sequential order. When the inbound messages arrive, they can be in random order. The resequencer ordered messages based on sequential or chronological information and then sends messages to the services target in an orderly manner. The sequencing is done based on the strategy of the selected sequence.

• Get the "selected lines" value after sql custom query in the database adapter

  We execute a custom query in a database adapter. With other technologies (JDBC, etc.) the result of a query produces not only a game but the number of lines selected results. For example, the output of the script of Oracle SQL Developer will display something like:
  
  9999 selected lines
  
  at the end of the output of the script.
  
  I would like to obtain this value for a BPEL process. Of course, I could run a 2nd interview whose where clause is identical to the first, but select count (*) instead. However, it is not only ineffective but (in rare circumstances in an active database) could be the problem.
  
  It is not obvious to the novice BPEL how to get the selected value and the result set row in an Invoke. Is this possible?

  Maybe it's not the only solution - but this is how I did in the past.

  After step to invoke the adapter, use a step of the having-right/copy to fill a variable of integer type BPEL using the xpath count function...

  
  
  
  
  
  

  That should affect the number of records returned by the query.

  I hope this helps.

  Rod.

  Published by: Tunnels of Rod on December 15, 2009 13:16

• Configuration of the database adapter - how to manage between environments

  Hello

  I am new to Oracle SOA. I'm developing a new service that uses a database adapter for writing query data in the database.

  Currently I develop in a development environment and database adapter works as expected.

  My question is should I continue to change the server connection details in the db adapter before joining the service in the new environment (say dev to UAT then UAT Prod)?

  Thank you

  Priya.

  Hi Priya,

  You can cretae and use the configuration level:

  http://docs.Oracle.com/CD/E23943_01/dev.1111/e10224/sca_lifecycle.htm#BABDDDBE

  Arik

• How to make a database for an application

  How to make a database for an application. I can create it outside somewhere in my computer and then copy it into the current folder? or is there a standard way?

  Yes you can do it outside if you wish, two programs I've used SQLite Browser and sqlitestudio two do work but sqlitestudio has more features and is the one I now use exclusively.

  There are many others, however, simply search for sqlite application in google.

• Database adapter & mediator, called by the Service causes exception?

  Hello

  I have a database adapter, a mediator plugged in my composite.xml. In my BPMN process, I have a service that uses the Ombudsman as its implementation (?). He was able to build and deploy great of JDeveloper. But now that I am trying to execute the process of the workspace, I get this error:

  < 13 may 2014 12:58:13 PM PDT > < WARNING > < oracle.soa.adapter > < BEA-000000 > < JCABinding = > JCABinding = > search for DBTestComposer2:DBAdapter [DBAdapter_ptt::DBAdapterSelect(DBAdapterSelect_inputParameters,TestTableObpmCollection)] "ÉI/DB/cpdev_users" failure due to JNDI: unable to resolve ' ist. DB.cpdev_users'. Solved ' ist. DB' >

  < 13 may 2014 12:58:13 PM PDT > < error > < oracle.soa.adapter > < BEA-000000 > < JCABinding = > DBTestComposer2:DBAdapter [DBAdapter_ptt::DBAdapterSelect(DBAdapterSelect_inputParameters,TestTableObpmCollection)] could not invoke "DBAdapterSelect" against the "null" operation due to:

  LIAISON. JCA-12511

  JCA Binding Component connection problem.

  JCA Binding component is unable to create an outgoing connection of JCA (CCI).

  DBTestComposer2:DBAdapter [DBAdapter_ptt::DBAdapterSelect (DBAdapterSelect_inputParameters, TestTableObpmCollection)]: The JCA Binding component could not establish an outbound connection of JCA CCI due to the following problem: BINDING. JCA-12510

  Location of JCA resource adapter error.

  Cannot find the adapter in JCA resources via the element of the binding .jca file <-factory connections / >

  The Binding of JCA component is unable to startup of the resource adapter that is specified in the <-factory connections / > element: location = ' EI/DB/cpdev_users.

  The reason is most likely to be

  (1) the resource adapter RAR file has not been deployed successfully to the WebLogic application server or

  (2) the "< jndi name >" element in weblogic - ra.xml has not been defined in eis/DB/cpdev_users. In the latter case, you need to add a new factory of connections from WebLogic JCA (deploy a RAR).

  Please fix this and then restart the application server

  Please ensure that the JCA connection factory and dependent connection factories have been set up with a sufficient limit for maximum connections Please also make sure that the physical connection to the EIS server is available and the backend itself accepts connections.

  Could someone explain what this means? (Sorry, we're new on Oracle technology and a lot of this terminology). What resource adapter RAR files is this allusion? We would really appreciate solutions on how to fix or solve this problem!

  I think this might solve your problem: https://community.oracle.com/message/10235476#10235476

  Dan

• Problem with the help of oraext: query-database in the transformation (XSLT 2.0)

  Hello!
  I m facing a problem with the help of oraext: query-database.
  
  In my transformation im try the following (Simplified):
  

  <xsl:template match="*">
    <xsl:variable sqlQuery="select ....."/>
    <xsl:variable name="storeSec" select="oraext:query-database($sqlQuery,true(),true(),'jdbc/xref')/>               
      <xsl:choose>
       <xsl:when test="string-length($storeSec/ROWSET/ROW[1]/STORE_PART_SECTION) > 0">
            <xsl:value-of select="$storeSec/ROWSET/ROW[1]/STORE_PART_SECTION"/>
       </xsl:when>
         <xsl:otherwise>
              <xsl:value-of select"some other val"/>
         </xsl:otherwise>
      </xsl:choose>
  </xsl:template>
  {code}
  
  This always results in +some+ +other+ +val+ !!
  I´v checked the output from oraext:query-database by using getcontentAsString and if I instead test putting the expected output from oraext:queryDatabase in my variable it gives me A100 which is what i expected.
  
  {code}
  <xsl:template match="*">
    <xsl:variable sqlQuery=select ....."/>
    <xsl:variable name="storeSec">
      <ROWSET>
       <ROW num="1">
         <STORE_PART_SECTION>A100</STORE_PART_SECTION>
       </ROW>
       <ROW num="2">
         <STORE_PART_SECTION>XXm</STORE_PART_SECTION>
       </ROW>
      </ROWSET>
    </xsl:variable>               
      <xsl:choose>
       <xsl:when test="string-length($storeSec/ROWSET/ROW[1]/STORE_PART_SECTION) > 0">
            <xsl:value-of select="$storeSec/ROWSET/ROW[1]/STORE_PART_SECTION"/>
       </xsl:when>
         <xsl:otherwise>
              <xsl:value-of select"some other val"/>
         </xsl:otherwise>
      </xsl:choose>
  </xsl:template>

  How to get the correct value when you use oraext:query - database?

  How should you exit? Several item ID with each having a value of the result set?
  If Yes, then you can try following:

• Custom SQL database adapter

  Hi all
  
  Is it possible that we can add the variables in BPEL process in SQL custom database adapter.
  
  Example:
  
  I have a variable defined in a BPEL process and I have assigned a value to this variable. And to appeal process accessing data adapter is to have custom Sql operation and then how to use the variable in sql custom?
  
  Any idea, please suggest.
  
  Kind regards
  Abdou

  Abdou,

  You can assign/pass a value to your sql custom DBAdapter like that.

  Select in where tNom = #variablename * +.
  ex: select * from emp where empno = #employeenum

  Use a transformation/assign activity and make the actual variable mapping to the input variable (shows "employeenum" as its variable) to invoke the activity that invokes the DBAdapter.
  I used this scenario largely in my projects.

  Thank you

  Sen

• How to recover the database when archive some of the log file are deleted.

  I am facing a problem with the Oracle database, which is linked to archivelogs.
  Our development database is running in archivelog mode, but we don't have safeguards and have no recovery catalog.
  When the database was in running, disk got full, so some archivelogs were deleted manually.
  After that they have restarted the DB, and DB now not come. The errors are as follows:
  
  -------------------------------------------------------------------------------------------------------------
  
  
  SQL > startup
  ORACLE instance started.
  
  Total System Global Area 1444383504 bytes
  Bytes of size 731920 fixed
  486539264 variable size bytes
  956301312 of database buffers bytes
  Redo buffers 811008 bytes
  Mounted database.
  ORA-01589: must use RESETLOGS or NORESETLOGS option of database open
  
  
  SQL > alter database open resetlogs;
  ALTER database open resetlogs
  *
  ERROR on line 1:
  ORA-01113: file 1 needs media recovery
  ORA-01110: data file 1: ' / export/home/oracle/dev/ADVFRW/ADVFRW.system'
  
  
  SQL > recover datafile ' / export/home/oracle/dev/ADVFRW/ADVFRW.system'
  ORA-00283: cool cancelled due to errors
  ORA-01610: recovery using BACKUP CONTROLFILE option must be
  
  
  SQL > restore database using backup controlfile;
  ORA-00279: change 215548705 generated at 2008-09-02 17:06:10 needed for thread
  1
  ORA-00289: suggestion:
  /export/home/Oracle/dev/ADVFRW/ADVFRW.archivelog1/LOG_ADVFRW_1107_1.arc
  ORA-00280: change 215548705 thread 1 is in sequence #1107
  
  
  Specify the log: {< RET > = suggested |} Filename | AUTO | CANCEL}
  /export/home/Oracle/dev/ADVFRW/ADVFRW.archivelog1/LOG_ADVFRW_1107_1.arc
  ORA-00308: cannot open archived log
  ' / export/home/oracle/dev/ADVFRW/ADVFRW.archivelog1/LOG_ADVFRW_1107_1.ARC'
  ORA-27037: unable to get file status
  SVR4 error: 2: no such file or directory
  Additional information: 3
  
  
  Specify the log: {< RET > = suggested |} Filename | AUTO | CANCEL}
  Cancel
  Cancelled media recovery.
  SQL >
  
  -------------------------------------------------------------------------------------------------------------
  
  
  1 how to recover the database and put online
  
  Any help will be much appreciated.
  
  Regarding
  Hemant Joshi
  
  Published by: hem_Kec on 7 Sep 2008 09:07

  Hello

  It is actually quite easy.
  We knew that Oracle was looking for logsequence 1107. There is no archived log, it was deleted, or it has never generated. As you delete files, the 1st solution would be possible, BUT as there was only an instance crash so more old archived logs is not required for crash recovery. There is a need during the restoration of the old backup files, which is not our case.

  Thus, the missing log sequence has not been archived = > it is a redo log.
  To identify the required online redo log, we just to log query v$ as I suggest.

  Once the log identified file, we can recover it by specifying the redo log when you ask logsequence 1107.

  And it is on. We win! :)

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• How to program the pci-1429

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  My name is Mohammad khader and I'm with GWENAEL, we just bought the PCIe_1429 and I would like to know:

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  2 - the jury has fpga to program?

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  4 - my goal is to image recognetion, we connect the card with a digital camera, take photo, and be able to recognize it, a suggestion how this can be made using this card?

  Thank you very much for your help, I really enjoyed.

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  Assalamou Aleikom Khader,

  If you read the manuals provided by Ajmal, you would see that to enter a request, you must install the Vision Acquisition accompanied by your capture card software.

  You can capture images using either NI LABVIEW, NI LabWindows/CVI or Visual Studio.NET via IMAQdx APIs provided with image acquisition.

  If you want to image processing, you can consider using murin Module NI Vision at the same time in the previous language that you choose. You can also find in the link posted a vision resources kit which is a good start in the development of machine vision applications.

  

  Screenshot

  It will be useful.

  See you soon