Oracle lite and RAC

We are experiencing difficulties with installing oracle lite with Oracle RAC 10.2. Does anybody knows if this is possible?
thank's in advance!

The problem's were mostly implementation specific. What you need to do for RAC is to configure the mobile server to use the thick client in stead of the thin client. There is a metalink document about this (Doc ID: Note:339108.1).
How to configure the mobile server with a RAC DB
Solution
1) Edit the file $ORACLE_HOME/mobile/server/bin/webtogo.ora
2) Change this Parameter:
ADMIN_JDBC_URL=jdbc:oracle:thin:@hostname:port:1521
TO
ADMIN_JDBC_URL=jdbc:oracle:thin:@DESCRIPTION=(ADDRESS=(PROTO =TCP)(HOST=clora1vip.aem.torin
.it)(PORT=1521))(ADDRESS=(PROTO =TCP)(HOST=host_name)(PORT=host_port))(LOAD_BALANCE=yes
(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=sid_name)(FAILOVER_MODE=(TYPE=SELE
CT)(METHOD=BASIC)(RETRIES=180)(DELAY=5))))
3) Save the File and restart the mobile server.

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Oracle Versions and RAC

We are considering running Oracle 10g and 11g RAC on the same cluster.. wondering if anyone has tried it before ? If yes, any recommendations ?
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G

user10255282 wrote:
Cost is the big factor. We have certain environments that have no intention of moving to 11.. but some do. Cost moves around. This is simply trading one kind of cost for another. Especially if all environments are covered by an Oracle Support contract. Then the cost is not Oracle related.
But that ultimately is a PHB decision.
Instead of buying dedicated RAC clusters for the offending ones.. its a thought to run 2 versions on the same servers... ofcourse with the higher CRS.However, yes you can run run a mix ... as Dan says, not necessarily recommended. MUST use highest available CRS and be very careful that the CRS supports all version of the DB.
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Oracle lite and Stored Procedures

Hi, I have just installed Oracle lite, connected to Polite and created dropped tables etc. I notice that in Navigator there is no folder for stored procedures or triggers. I tried to compile a syntacally correct proc in SQL plus and it generated this error: Create or Replace Procedure SCORECARD.Gen_Fiscal_Year_Data AS
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null

Oracle Lite database does not support the usual stored procedures/triggers like an Oracle database. You have to use java classes to create triggers/stored procedures to run them in Oracle Lite database. You can refer the documentation on Oracle 8i Lite for samples/detailed information.

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When you put your code in a try block and print the exception, what does it say:
String driver = getDriverFromConfigurationFile();
try
Class.forName(driver);
catch(ClassNotFoundException cnfe)
System.err.println(cnfe);
Second option is to use DataSource instead.

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We plan to use VS 2005 with CF 2.0 but Oracle so far only supports CF 1.0 for its ADO.NET provider for Oracle Lite. However, so far we have found no problem using ADO.NET (1.0 implementation) with CF 2.0, although we are still in early stages of development.

Oracle Lite and gotchas

We are currently trying to sell a solution using the Oracle Lite product. I have read most online product info but would like to contact someone who has actually implemented an Oracle Lite solution, particularly with Web-to-go. Please email me with a phone number [email protected] I am based in New Zealand so you may need to include your timezone so we catch up.
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Hi Tim,
Sorry for my english !
I'm developing a software solution for palmV. I use Oracle lite4.0 plateform with Iconnect Consolidator (Client/Server) architecture for the replication and a Web-to-go listener for the HTTP transport between the Palm and the Database Server Oracle8.1.5. After, i will use Web-to-go for deploying the application for several clients.
I use Satellite Forms (Puma Technology : www.pumatech.com) to develope the client's screens (Palm V)
If you are still interested, contact me on my phone number : 00 336 89600527 (France).
Email : [email protected] / [email protected]
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Tim Jones:
We are currently trying to sell a solution using the Oracle Lite product. I have read most online product info but would like to contact someone who has actually implemented an Oracle Lite solution, particularly with Web-to-go. Please email me with a phone number [email protected] I am based in New Zealand so you may need to include your timezone so we catch up.
Thanks in advance
Tim Jones<HR></BLOCKQUOTE>
null

Oracle Lite and eVB

I am new to PDA development. I Just went through Oracle 8 Lite installation and the documentation. I found that all development features for windows CE env refer to VC++ as the tool. Is it possible to develop a front end using eVB(Embedded Visual Basic) talking to a oracle lite database using ODBC:CE. Can any one please clarify this doubt of mine.
Thanks in advance
-BUGS

I am working with the same conditions without problems.. What error does it show?
This piece of code uses the movefirst and movenext without problems. Remember to use de Err object to manage runtime errors in a friendly way.
Err.Clear
On Error Resume Next
rs.open "select distinct .. where .. = '..' order by .., "", 1, 3
If rs.recordcount > 0 Then
rs.movefirst
cs = rs.recordcount
For i = 1 To cs
combodesc.AddItem (CStr(rs.fields(0).Value))
rs.movenext
Next
Else
combodesc.Clear
End If
rs.close
If Err.Number Then
Exit Function
End If
resultvalue = True
hope this helps..
bye

Oracle Lite and Oracle 8i Client on Win98

I've had Olite v8i running on my Win98 machine for a while now. I just installed Oracle 8i Client on my machine. Now, my JDBC driver for Oracle Lite does NOT work. What could have happened here??
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null

HI Jeremy,
I think, Your PATH was cranked up.
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General Database Discussions
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Oracle Lite and OCI

Is it possible to access Oracle Lite 10g using OCI. I am getting an error "ORA-24327: need explicit attach before authenticating a user" when trying to acces the Oracle Lite 10.3.0 using OCI. Can you please tell why it is occuring?
Message was edited by:
user606900

I am using the samples comming with Instant Client SDK.
Some of the relevant portion of the code is given below
static text username = (text ) "system";
static text password = (text ) "manager";
static text connectstring = (text ) "(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = HOSTNAME)(PORT = 1521)) ) (CONNECT_DATA = (SID = POLITE)))" ;
errcode = OCIEnvCreate((OCIEnv **) &envhp, (ub4) OCI_DEFAULT,
(dvoid *) 0, (dvoid * (*)(dvoid *,size_t)) 0,
(dvoid * (*)(dvoid *, dvoid *, size_t)) 0,
(void (*)(dvoid *, dvoid *)) 0, (size_t) 0, (dvoid **) 0);
if (errcode != 0) {
(void) printf("OCIEnvCreate failed with errcode = %d.\n", errcode);
exit(1);
(void) OCIHandleAlloc( (dvoid *) envhp, (dvoid **) &errhp, OCI_HTYPE_ERROR,
(size_t) 0, (dvoid **) 0);
/* server contexts */
(void) OCIHandleAlloc( (dvoid *) envhp, (dvoid **) &srvhp, OCI_HTYPE_SERVER,
(size_t) 0, (dvoid **) 0);
(void) OCIHandleAlloc( (dvoid *) envhp, (dvoid **) &svchp, OCI_HTYPE_SVCCTX,
(size_t) 0, (dvoid **) 0);
(void) OCIServerAttach( srvhp, errhp, connectstring, strlen(connectstring), 0);
/* set attribute server context in the service context */
(void) OCIAttrSet( (dvoid *) svchp, OCI_HTYPE_SVCCTX, (dvoid *)srvhp,
(ub4) 0, OCI_ATTR_SERVER, (OCIError *) errhp);
(void) OCIHandleAlloc((dvoid *) envhp, (dvoid **)&authp,
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(void) OCIAttrSet((dvoid *) authp, (ub4) OCI_HTYPE_SESSION,
(dvoid *) username, (ub4) strlen((char *)username),
(ub4) OCI_ATTR_USERNAME, errhp);
(void) OCIAttrSet((dvoid *) authp, (ub4) OCI_HTYPE_SESSION,
(dvoid *) password, (ub4) strlen((char *)password),
(ub4) OCI_ATTR_PASSWORD, errhp);
checkerr(errhp, OCISessionBegin ( svchp, errhp, authp, OCI_CRED_RDBMS,
(ub4) OCI_DEFAULT));
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ORACLE Lite and PalmPilot

How can I combine Oracle Lite 3.51 Consolidator with my
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null

Hi Prashi,
We have used to connect jdbc-odbc bridge like this, system/manager@jdbc:odbc:webtogo (or)system/manager@jdbc:odbc:olamlite . The two dsn's we have used to connect oracle9iLite with 8i as database.
Why not u try to connect in this way? Because when i try to connect polite as per u r idea it is connecting but nothing in the polite db.
Regards,
anbuseelovan
Email:[email protected]

Oracle 9i and RAC

The client will be using Oracle9i as their database (which has Real Application Clustering), and also Oracle9iAS as their application servers. Their architecture is 3-tier, and development will be done on the J2EE platform. They are using Oracle's JDeveloper for development.
One of the potential risks that we found is that the client is planning to place most of the business logic (they define it roughly as "anything that requires data manipulation on the database") on the database servers. These will be programmed in PL/SQL. This was advised by Oracle consultants, saying that PL/SQL on the database server will perform better than Java entity beans deployed on the application server. Only very little business logic will be programmed as Java beans on the application servers. The client feels that logically this is still 3-tier and Oracle's Real Application Clustering will ensure scalability of the database servers.
Looking at this approach, we feel this is not very much 3-tier anymore, because the business logic is tightly coupled with the database. We foresee that there will be issues with independence of business logic and database access layers, flexibility, portability, modularity, maintainability and scalability.
What we would like to find out is:
- We'd like to hear your opinions on this approach of placing business logic on the database and using PL/SQL to code it.
- What are the risks of using this approach?
- What are the alternatives (entity beans? session beans? Java Data Objects?)
- How proven is Oracle Real Application Clustering and how much will it help client in this situation?

The client will be using Oracle9i as their database (which has Real Application Clustering), and also Oracle9iAS as their application servers. Their architecture is 3-tier, and development will be done on the J2EE platform. They are using Oracle's JDeveloper for development.
One of the potential risks that we found is that the client is planning to place most of the business logic (they define it roughly as "anything that requires data manipulation on the database") on the database servers. These will be programmed in PL/SQL. This was advised by Oracle consultants, saying that PL/SQL on the database server will perform better than Java entity beans deployed on the application server. Only very little business logic will be programmed as Java beans on the application servers. The client feels that logically this is still 3-tier and Oracle's Real Application Clustering will ensure scalability of the database servers.
Looking at this approach, we feel this is not very much 3-tier anymore, because the business logic is tightly coupled with the database. We foresee that there will be issues with independence of business logic and database access layers, flexibility, portability, modularity, maintainability and scalability.
What we would like to find out is:
- We'd like to hear your opinions on this approach of placing business logic on the database and using PL/SQL to code it.
- What are the risks of using this approach?
- What are the alternatives (entity beans? session beans? Java Data Objects?)
- How proven is Oracle Real Application Clustering and how much will it help client in this situation? Oracle consultants are paid to promote the product so the recommendation is not surprising.
if the app needs to be a 3-tier then it makes sense to put the business logic in app server. the advantage here is
you can clone the app server to scale for users/sessions (plus the scalability from the oracle RAC) that is a double whammy.
eventhough pl/sql is advantageous in terms of performance, it constrains you to oracle.
if the business logic is database independent. so you can switch to any other database.
the other alternative is writing the java code and publishing it as pl/sql procedures in the database. this is the middle path
approach, if you want to port the app to another database vendor, you can do with minimal effort (compared to rewriting the pl/sql).
the predomoinant factor in a web app is how are you going to manage persistance of a user session.
container managed persistence or database managed persistence, the choice of the level of sophistication at the web app level determines which way you
want to go. to give persistence feature you might have to put the logic in beans and put the beans in app server.
why do they need RAC for scalability?? they could create multiple clones of app server and have them work load managed , i guess that would be far cheaper than having to spend money on RAC hardware/software.
if 99.99% availibility is the concern then RAC makes business sense...
a few thoughts, which i hope you will find useful.
Mukundan.

Mulitple Oracle Homes and RAC

I want to install multiple SAP systems (SolMan, ECC, PI, etc) to a DB instance with Oracle RAC so that they can share resources and for High Availability. The central instances will be running of virtually separate systems using VMWare.
As per the white paper for doing a SAP installation with RAC, I need to install one SAP system before I install RAC. But when I do the second SAP system that creates a second Oracle_home, do I need to install RAC again? Or do I need to complete all the database installations before I install RAC?
I want to be able to share the hardware but using MCOD is out because of the many problems associated with that.

Hi Steve,
ok - I understand.
According to Oracle Metalink 220970.1 it´s possible to run more than one instance on a RAC but the resource manager will not be able to share load across the instances so one may impact the other.
That document is quite good and answers a lot of questions, also some of those, you posted in your initial question (such as if the DB software must be installed on all notes or how to convert a single instance into a RAC instance etc.)
"Note 527843 - Oracle RAC support in the SAP environment" also states, that ASM and Raw devices cannot be used in SAP/RAC-environments
This is a really nice an interesting project, technically it should be possible to implement but I can´t say, which implications will arise.
Markus

Oracle Lite and EVB Problem

My question is, Can I works with
r.MoveNext
r.MoveLast
using Microsoft Embedded Visual Basic and Oracle 9i Lite 5.01 in a Compaq Ipaq 3630?
I4m probed with this but there is an error.
I need help please. Thank you

I am working with the same conditions without problems.. What error does it show?
This piece of code uses the movefirst and movenext without problems. Remember to use de Err object to manage runtime errors in a friendly way.
Err.Clear
On Error Resume Next
rs.open "select distinct .. where .. = '..' order by .., "", 1, 3
If rs.recordcount > 0 Then
rs.movefirst
cs = rs.recordcount
For i = 1 To cs
combodesc.AddItem (CStr(rs.fields(0).Value))
rs.movenext
Next
Else
combodesc.Clear
End If
rs.close
If Err.Number Then
Exit Function
End If
resultvalue = True
hope this helps..
bye

TNS - No Listener with Oracle Lite and Win 98

When I try to do a tcp/ip connection to my oracle 8i lite on windows98 OS I get the ORA-12224 error, that is I can't find a TNS listener server. (where can I find documentation on how to do this)???
On NT I must start ora80tns service, but under windows98 what must do i do ???
I've tried to configure the options for the listener using the Oracle Net8 Assistant exactly the same as NT (the NT Oracle 8 Enterprise works) but the Win 98 won't...
null

Network issues in Windows, and the impact on Oracle install in general, are discussed here:
http://download-east.oracle.com/docs/cd/B19306_01/install.102/b14316/reqs.htm#BABIAEEC
Bottom line - you will need to come up with a useable & consistent IP address (from the loopback adapter, usually you use 127.0.0.1). I'd suggest, then you reinstall XE to use that IP address, get it working locally, then use the Application Express screens to 'enable it for the network'.
XE has it's own forum. Needs separate registration and needs you to sign in to the forums (daily) to see it after registration. This has been discussed in detail many times in that forum. Registration is at http://www.oracle.com/technology/xe/registration and this link Oracle Database Express Edition (XE) will get you there after signing in again.

Oracle lite and RAC

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