How to use a non-Oracle database?

Oracle Lite is used as the database per default. Technical
notes describe how to use Oracle 9i. I'm more interested in using more light-weight RDBMSes like HSQLDB for example. It is been said that Oracle BPEL supports Oracle, Oracle Lite, DB2, SQL Server and Pointbase. Now how to configure Oracle BPEL to use each of the non-Oracle datbases listed above?

I've managed to setup the PM to use Pointbase rather than the default Oracle Lite. Along the way, several questions came up:
1. Since the directory system\database\scripts already provides DDL scripts for Pointbase, creating the tables of a Pointbase database was easy. However, I wonder why you don't support HSQL. After all, OC4J supports HSQL data sources (see database-schemas\hypersonic.xml). Are there any features required by Oracle BPEL that are not provided by HSQL? If not, can we just use the Pointbase DDL scripts for HSQL?
2. Editing the data-sources.xml file also wasn't a big deal although templates for Pointbase were missing. BTW, my XML editor reports the data-sources.xml file to be invalid: "Document cannot be stand-alone because default-value attribute 'connection-retry-interval' is not explicitly assigned.
3. The changes in StartOraBPEL.bat were:
- Comment out running kill_olite.bat and start_olite.bat
- Start the Pointbase server (rather than Oracle Lite)
4. The needed changes in obsetenv.bat were not that obvious: It was required to add the Pointbase libs to the BOOT_LIB classpath. Otherwise the Pointbase driver cannot be loaded. To be on the safe side, I've also added the Pointbase libs to the MY_CLASSPATH classpath but I'm not sure if that is really required. Is it?
5. Finally, it would be good if shutting down the Pointbase server could be done in a similar fashion as that is configured for Oracle Lite. Apparently, some sort of hooking is used. Now how to setup a shutdown hook for a Pointbase server?

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Can Jdeveloper Be Used For Non-Oracle Databases

I have been trying to evaluate Jdeveloper 9i and Jbuilder 7 Enterprise for Swing database development. I am particularly interested in the productivity enhancements such as BC4J and Jclient. The underlying database might be Oracle, SapDb (excellent, easy to use, and free), SQLServer, etc.
I evaluated Jbuilder Enterprise tools and it worked flawlessly with SapDb. This emphasized using their DataExpress and DbSwing components which provide many useful capabilities similar to BC4j and Jclient. It also involved using their DBPilot tool which allows browsing similar to that provided via a Jdeveloper connection.
I tried to use Jdeveloper for the same SapDB and it is essentially non-functional. I followed the instructions for using a non-default driver and tried to define a connection. It behaved inconsistently: often saying no suitable driver can be found and yet when you edit the connection and test without making any changes, it works. If you try to establish a BC4J definition, it is very inconsistent and fails to recognize important details as foreign keys. Even if you define a ViewLink manually, it still does not work properly if you attempt to define a Master-Detail Jclient form. As I have stated, all these types of capabilities worked flawlessly in their Jbuilder equivalent. Furthermore, I really like the fact that Jbuilder gives many of BC4Js benefits without needing a BC4J J2EE container.
Has anyone had real success using Jdeveloper's advanced features to develop for non-Oracle databases and if so, how did you get around these types of problems?

Hi,
generally, SCAN can be used for 10g databases and you discovered the first half: for 10g databases you will have to modify the REMOTE_LISTENER entry for each 10g database instance to point to the SCAN listeners (as opposed to pointing to the remote local listeners, which is the default in 10g). You could even have the databases registers themselves with SCAN and the remote listeners, if you wanted to... It's more or less a matter of configuration. But for simplification reasons, I will stick to the case where you have your 10g databases register with the SCAN listeners only.
Now the other half is the client and the client configuration. An 11g Rel. 2 client configured for RAC would have a TNSNAMES entry that has only one address line for the RAC databases. The host entry in this one address line should point to the SCAN (the SCAN name is ideally resolved in DNS). A 10g client configured for RAC would have as many address lines in the TNSNAMES as you have nodes in the cluster.
The 10g client SCAN configuration would then be in the middle so to speak: You would have 3 address lines in your TNSNAMES, in which each host entry would resolve to one SCAN address (I assume you will use the recommended default of 3 SCAN IPs). If you choose, you can have a name resolution for each of your SCAN IPs, but this would not be required. Now, why would you do it this way? Because this configuration will always work and does not make you dependent on certain functionality that your DNS server may or may not offer.
For the remaining questions: SCAN is a DNS entry resolving one name to more than one (typically 3) IP addresses. OID is short for Oracle Internet Directory, which is a complete LDAP server. And you are right that there is no document how to configure 10g clients for SCAN from Oracle yet. However, there is a quite good document on SCAN on otn.oracle.com/rac, but I am sure you are aware of it already.
Hope that helps. Thanks,
Markus

Configuration of XSQL for use with non-Oracle dbs

If anyone has positive experiences with configuring XSQL for use with non Oracle databases I'd like to hear how they did it, see tutorials, configuration files, etc.
Specifically setting up to use MySQL or Postgresql on Linux/FreeBSD would be very interesting.
Also, does anyone use this without setting mime types? How would you go about this so you could point to the relevant servlets in the page?
Josh

I don't understand how setting up for Non-Oracle DB's is related to not setting up the servlet as an extension-mapped servlet.
It might work, but would you run JSP's
that way? XSQL behaves very similiarly
inside to how a JSP runner works, which
wants to be servlet-mapped.
However, OAS 4.0.8.1 does not support
extension mapping and XSQL works there
so i'm assuming it would work on other
servers set up that way. It's not
a configuration we test/certify.
null

Pagination support for non-Oracle databases?

Hi,
I just read this thread (Pagination Support on pagination support. Is there any way to get pagination with non-Oracle databases? We are using an IBM iSeries / AS/400 DB2 database right now, and we're planning to use some local lightweight database in the near future as well (probably Cloudscape/Derby or "IBM Everyplace database".)
We currently use code like this:
String sql = "SELECT art FROM Artikel art" +
 /* dynamically generated where statement is added here */
 + "ORDER BY art.artikelNummer";
Query q = em.createQuery(sql);
q.setFirstResult(firstResult);
q.setMaxResults(maxResults);If I look in the TopLink logs, I see queries like this:
SELECT ARTNR, ARALT, ARAFJ, ARXII, ARAVJ, ARXIV, ARANJ, AHGCD, ARNVJ, ARCRJ, ARARK, ARFKJ, ARTNK, ARGP1, ASGCD, ARGP2, ARPR1, ARGP3, ARPR2, AREX1, ARPR3, AREX2, ARPR4, AREX3, ARASA, ARINA, ASSCD, ARIA1, ARBAN, ARIN1, ARBAV, ARIA2, ARBAK, ARIN2, ARCES, ARIA3, ARCDT, ARIN3, ARCRE, ARIA4, ARCWK, ARIN4, ARHBH, ARIA5, ARDFA, ARIN5, ARDFG, ARIA6, ARDOS, ARIN6, AREPW, ARINN, ARFOD, ARIAS, ARFOE, ARINS, ARFOF, ARNAB, ARFOI, ARNIB, ARFON, ARNIA, ARFOS, ARNN1, ARFTA, ARNA2, ARVIV, ARNO2, ARGAP, ARNN3, ARGPT, ARNA4, ARGPD, ARNO4, ARGPA, ARNN5, ARGPO, ARNA6, ARHIS, ARNN6, ARISP, ARNIO, ARKHM, ARNNS, MAGCD, AROVJ, MTGCD, ARPL1, ARMXM, ARPL2, MRKCD, ARPL3, ARMVR, ARVKJ, ARMIM, ARV12, ARMDT, ARVVJ, ARMTE, AR#VR, ARMTU, ARZLS, ARMTM, ARIAT, ARMWK, ARAVS, MPCCD, ARNVS, ARBTW, ARFJS, ARXI2, ARG2S, ARXI3, ARE1S, ARXI4, ARE3S, ARXI6, ARIB1, ARXI1, ARIB2, ARXI5, ARIB3, AROPI, ARIB4, ARPRV, ARIB5, SZGCD, ARIB6, ARSPC, ARINO, ARSMF, ARIOS, VEAAN, ARNIS, ARSYN, ARNO1, ARVR1, ARNA3, ARV1S, ARNN4, ARVR2, ARNO5, ARV2S, ARNIN, ARVR3, ARNOS, ARV3S, ARP1S, ARTFA, ARP3S, ARTFG, ARS12, ARUVC, ARZLD, ARUCW, ARAJS, ARBKV, ARCJS, ARVVI, ARG3S, ARVVP, ARINB, VPOCD, ARIO2, VPECD, ARIO4, ARVIH, ARIO6, ARVHG, ARNBS, ARVRW, ARNN2, ARVPR, ARNA5, ARVVR, ARNAS, ARVVS, ARP2S, ARVV1, ARSVV, ARZK1, ARNJS, ARNA1, ARNO3, ARIO1, ARNO6, ARIO5, AROJS, ARE2S, ARVJS, ARIBS, ARIAD, ARIO3, ARG1S FROM ART WHERE ((((ARUVC = 'N') AND (ARHIS = 'N')) AND (ASGCD = 7)) AND (AHGCD = 15)) ORDER BY ARTNR ASC
(Yeah, I know we have too much columns in the table...)
So, no pagination in the query. As you can see, we have a mechanism in place to dynamically generate a where clause. This is because the user can set filters. The problem is, if our user sets a filter that causes the result set to be significantly smaller, the performance is way better than when he sets no filter at all. We suppose this is because the whole result set is sent to TopLink, regardless of the values of firstResult and maxResults.
We are using TopLink Essentials 2.1-10, by the way.
Message was edited by:
Bart Kummel

Hi all,
I'm trying to subclass <tt>DatabasePlatform</tt> to add pagination support for the AS/400 DB2 database of my customer. To be fair, it is not going very well so far.
The first problem is, the query Chris found by googling (Re: Pagination support for non-Oracle databases?), does not work for AS/400s version of DB2. In fact, although it is called "DB2", the database on the AS/400 system is a whole other database than the "normal" DB2 database that runs on Windows and *nix. The AS/400 DB2 simply does not have a "ROW_NEXT" function.
Another option would be to use the row_number() over() mehtod. But, as can be read here, this function is only available from version V5R4 of OS/400. And guess what? We're stuck on V5R3 at this client. (We cannot upgrade, because there's an application in use that's written in Delphi and IBM dropped the Delphi binding from V5R4...)
So I pretty much ran out of options. On the mailing list I linked to above, someone mentions the option to make a sort of stored procedure that generates a row count number. An example of how to do this can be found here. I implemented it, and ended up with this code:
package com.myclientsname.persistence;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import org.eclipse.persistence.expressions.ExpressionBuilder;
import org.eclipse.persistence.internal.databaseaccess.DatabaseCall;
import org.eclipse.persistence.internal.expressions.ExpressionSQLPrinter;
import org.eclipse.persistence.internal.expressions.SQLSelectStatement;
import org.eclipse.persistence.internal.sessions.AbstractSession;
import org.eclipse.persistence.logging.SessionLog;
import org.eclipse.persistence.platform.database.DatabasePlatform;
import org.eclipse.persistence.sessions.SessionProfiler;
public class AS400Platform extends DatabasePlatform {
 private static final long serialVersionUID = 0L;
 public AS400Platform(){
 super();
 super.setShouldBindAllParameters(false);
 public void printSQLSelectStatement(DatabaseCall call, ExpressionSQLPrinter printer, SQLSelectStatement statement) {
 int max = 0;
 int firstRow = 0;
 if (statement.getQuery()!=null){
 max = statement.getQuery().getMaxRows();
 firstRow = statement.getQuery().getFirstResult();
 if ( !(max>0) && !(firstRow>0) ){
 super.printSQLSelectStatement(call, printer,statement);
 return;
 } else {
 statement.setUseUniqueFieldAliases(true);
 ExpressionBuilder builder = new ExpressionBuilder();
 statement.addField(builder.getField("COUNTER() AS CNTR"));
 printer.printString("SELECT * FROM (");
 call.setFields(statement.printSQL(printer));
 printer.printString(") AS R WHERE R.CNTR >= ");
 printer.printParameter(DatabaseCall.FIRSTRESULT_FIELD);
 if ( max > 0 ){
 // Use of binding parameters is not allowed here, so use
 // String concatenation instead...
 printer.printString(" FETCH FIRST " + max + " ROWS ONLY");
 call.setIgnoreFirstRowMaxResultsSettings(true);
 public boolean wasFailureCommunicationBased(SQLException exception, Connection connection, AbstractSession sessionForProfile){
 if (connection == null || this.pingSQL == null){
 //Without a connection we are unable to determine what caused the error so return false.
 //The only case where connection will be null should be External Connection Pooling so
 //returning false is ok as there is no connection management requirement
 //If there is no ping sql then we can not perform the ping.
 return false;
 PreparedStatement statement = null;
 try{
 sessionForProfile.startOperationProfile(SessionProfiler.ConnectionPing);
 if (sessionForProfile.shouldLog(SessionLog.FINE, SessionLog.SQL)) {// Avoid printing if no logging required.
 sessionForProfile.log(SessionLog.FINE, SessionLog.SQL, getPingSQL(), (Object[])null, null, false);
 statement = connection.prepareStatement(getPingSQL());
 ResultSet result = statement.executeQuery();
 result.close();
 statement.close();
 }catch (SQLException ex){
 try{
 // Had to add this check because of NullPointerExceptions
 // (maybe a bug?)
 if(statement != null){
 //try to close statement again in case the query or result.close() caused an exception.
 statement.close();
 } catch (SQLException exception2) {
 //ignore;
 return true;
 }finally{
 sessionForProfile.endOperationProfile(SessionProfiler.ConnectionPing);
 return false;
}(As you can see, I had to override the <tt>wasFailureCommunicationBased()</tt> method as well, due to some unexpected NPE's. (A bug, perhaps?))
This code does work. However, the performance is not very well. The first page comes relatively fast, but as you browse further in the table, each page comes slower. I assume this is because the counter() method has to be evaluated for each row in the table.
I have to get the performance better and constant. Does anyone have an idea how to optimize this further?
Best regards,
Bart Kummel

Use of non-migratable database link not allowed in OSB

Hi All,
I have a procedure in which tables are invoked using Database links.
Now I have created a business service which uses this procedure. However I am getting below error
The invocation resulted in an error: Invoke JCA outbound service failed with application error, exception: com.bea.wli.sb.transports.jca.JCATransportException: oracle.tip.adapter.sa.api.JCABindingException: oracle.tip.adapter.sa.impl.fw.ext.org.collaxa.thirdparty.apache.wsif.WSIFException: servicebus:/WSDL/E2xInterface_V1/WSDL/GetEWOStatus [ GetEWOStatus_ptt::GetEWOStatus(InputParameters,OutputParameters) ] - WSIF JCA Execute of operation 'GetEWOStatus' failed due to: Stored procedure invocation error.
Error while trying to prepare and execute the SP_GETEWOSTATUS API.
An error occurred while preparing and executing the SP_GETEWOSTATUS API. Cause: java.sql.SQLException: ORA-00604: error occurred at recursive SQL level 1
ORA-24777: use of non-migratable database link not allowed
can we use dblink in procedure while accessing through business service. Please let me know.
Thanks
Chandana

hello gurus . i have same problem on my stored procedure what is a non xa datasource. how can i create on my weblogic server

Connecting to Non-Oracle Databases

How can we connect to Non-oracle databases like MS-SQL server using Developer Forms and reports?
can any body please provide steps to do this.

HI
to connect to Non-Oracle Database u have to use OCA ,,,u have to define ODBC data source for the database <source1> u want to connect. to connect from the forms or reports
user name/password@ODBC:source1.
hope this help u
try to look for the developer help

Connection to non-Oracle databases(MS Access) with Discoverer

Hello guys
I am new on this Forum. I am working with Oracle Discoverer and I will like to know how I can connect from Oracle Discover Administrator 4.1, to a non-Oracle database (on Microsoft Access or Dbase).
Please help me
Thanx.

hello,
to connect to a non-oracle datasource, you have to use OCA which
leverages ODBC for that connection. this happens when the report
is executed in the engine, no matter if it is run in client
server or web. if you run it via web, you have to have the ODBC
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regards,
the oracle reports team --pc

Use of non-migratable database link not allowed ERROR

Hello,
We have a notification process (on disabled user) in OIM that needs to connect to a schema in another instance to check some information before the notification is sent out.
We have OIM in an instance A and the other schema lives in the instance B. We created a database link from A to B, some synonyms, and grant the right permissions for OIM to select the tables in the schema on instance B.
We can login to OIM using SQL Developer and execute the query without any problems.
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Thanks

with all the info you have put here all I can say is : (with some help from google ;-) )
ORA-24777: use of non-migratable database link not allowed
Cause: The transaction, which needs to be migratable between sessions, tried to access a remote database from a non-multi threaded server process.
Action: Perform the work in the local database or open a connection to the remote database from the client. If multi threaded server option is installed, connect to the Oracle instance through the dispatcher.

CURRENT_TIME and non-Oracle Database

Folks !
When I use CURRENT_TIME in JPA named query, TopLink (Essentials) translates it into a "sysdate" function - this doesn't work on non-Oracle database like Postgres.
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thanks,
-Sanjay

I set following in my persistence.xml:
<property name="toplink.target-database" value="PostgreSQL" />
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Non oracle database

Hi
Can i use micro soft access as non oracle database...if so how?
i tried to do it..it is asking me for the connectivity details,such as schema....etc..
Thanks,
kiran.

It is possible to write your own code in all the transactional triggers in a form (like on-select, on-fetch, on-update, etc.) I have only done that once, using dbms_sql calls to an Oracle server, and it is not an easy task. But once you do your first form, others would be easier.
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Steve Cosner
null

Connectivity to non-Oracle database sources

I have information on a seperate MS Sql Server that I would like to create a connection in OWB to connect to.
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Thanks,

On what platform (operating system) you installed OWB control center (target database) - Windows or Unix?
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Oleg

How to extract data from oracle database directly in to bi7.0 (net weaver)

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Data Transfer with UD Connect -
http://help.sap.com/saphelp_nw04/helpdata/en/78/ef1441a509064abee6ffd6f38278fd/content.htm
Prerequisites
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ADF with non Oracle databases?

HI all,
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I know its possible, but Im searching experiences of using ADF mainly with other databases, and if its worth for this kind of project, or otherwise,if there are so many "changes" not using Oracle db.
Regards.

http://docs.oracle.com/cd/E29049_01/web.1112/e16182/bcintro.htm#sm0063
Some features are not supported for non-Oracle databases.
http://www.oracle.com/technetwork/developer-tools/jdev/multidatabaseapp-085183.html
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http://www.oracle.com/technetwork/developer-tools/jdev/knownissues-097654.html

GLOBAL VARIABLES FOR NON-ORACLE DATABASE

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Thank you
null

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have a nice day
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Global user in non-oracle database

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Thank you
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have a nice day
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How to use a non-Oracle database?

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