Oracle ODBC

Can you still use the Oracle ODBC driver after you install the ODP.NET driver? I installed the ODP.NET driver and it worked great for my ASP.NET pages, but a windows program that used the Oracle ODBC driver now fails with the following error:
-2147467259 - Specified driver could not be loaded due to system error 126 (Oracle ODBC Driver).
Since I'm new to the Oracle world, does anyone have any comments, suggestions, etc that might help me with this?
Thanks

Thanks, I appreciate the information. I did try installing the ODP.Net in a different directory on our development server, but for some reason the ASP.NET pages that use ODP.NET did not work. So then I installed the ODP.NET in the same directory as the previous version and the ASP.NET pages worked fine. If you install ODP.NET in a different directory, do you have to explicitly tell your programs where to look? It seems that if ODP.NET is registered in the registry, then the ASP.NET pages, or any program for that matter, would easily be able to recognize that and be able to use ODP.NET. Is there something you have to do or did I just somehow screw up the install?

Similar Messages

Using Oracle ODBC Gateway connecting to a remote Oracle database

Oracle 11gR2
RHEL 6.4
Has anyone use the Oracle ODBC Gateway to connect to another Oracle database? Any issues with that configuration? Where do I get the ODBC drivers for Linux?
(I know, "why not use a dblink?" -- well that would be against company security policies)

Hi,
From the Oracle point of view we support using DG4ODBC for Oracle to Oracle connections. However, we have not actually tested it as DG4ODBC is primarily designed for access to non-Oracle databases.
How DG4ODBC will work between Oracle databases depends on the ODBC driver and what that supports. You will need an ODBC Oracle driver which you can get from various suppliers including Oracle but also vendors such as DataDirect, Easysoft etc. You could try a Google search.
You say you do not want to use database links but that is how DG4ODBC is used, You cannot do -
sqlplus user/password@dg4odbc_oracle
Once Dg4ODBC is setup and configured as in this note - if you are using Linux 64-bit -
How to Configure DG4ODBC on 64bit Unix OS (Linux, Solaris, AIX, HP-UX Itanium) to Connect to Non-Oracle Databases Post Install (Doc ID 561033.1)
then in the Oracle database you create a database link and select from tables in the other Oracle database -
select * from table@dg4odbc_db_link ;
Regards,
Mike

Problem with Oracle ODBC Driver on Windows 7

Hi,
Please help with this problem I have with a Windows 7 machine. I have installed Oracle Client 11g on my Windows 7 machine but when I want to create an ODBC Data Source, I cant find any driver for oracle. How can I resolve this issue? I need the data source for an application to work and I cant figure out what is happening. Someone please help!

There's a dedicated Oracle ODBC forum:
ODBC
As this forum deals with connections from Oracle to foreign data stores it would be better to close this thread and post it again in the ODBC forum.

How do I install just the Oracle ODBC drivers on a Windows NT workstation?

I want to access a remote Oracle database on my network via ODBC
from Visual Foxpro. When I try to set up the ODBC data source,
I'm told it doesn't exist. I downloaded the ODBC driver
(ora8175.exe) from Oracle, but I cannot get it to run.
I am new to Oracle, so any assistance you can provide will be
greatly appreciated. (I am very familiar with VFP).
Thanks,
Jeff

You have to install the Oracle client in order to be able to use
the Oracle ODBC driver. The ODBC driver relies on, among other
things, the network communication libraries of the Oracle client.
If you're willing to pay for an ODBC driver, Merant (now
DataDirect I believe) has an ODBC driver that doesn't require
the Oracle client to be present. I've not used it, so I can't
recommend it, but it's an option.
Justin

Oracle ODBC - Internal Error - unable to initialize NLS during driver load

I'm having some trouble with my ODBC connections which I hope someone can please help me with!
About 6 weeks ago all was working as normal.
As far as I know there have been no updates to the ORacle DB, the Windows XP operating system or the ODBC Drivers.
Today when I opened access and visual case 2 to connect to Oracle I was at first greeted with a:
unable to connect SQLState=IM004 SQL_HANDLE_ENV
error. ODBC also kept crashing.
I restarted the computer and was confronted with a different error:
odbc SQLSTate 08004 ORA 12154 TNS could not resolve the connect identifier specified
I was able to fix this error by setting the environment variable TNS_ADMIN in windows xp environment variables. I'm extremely confused about how this happened though as it was working and I don't think anything has changed.
I was then able to connect to the database via Microsoft Access but when I opened Visual Case 2 and tried to make an update, I was confronted with the following error:
Oracle ODBC Driver - internal error - unable to initialize NLS during driver load
I looked in the registry at:
HKEY_LOCAL_MACHINE\SOFTWARE\Oracle\KEY_OraClient10g_home1
HKEY_LOCAL_MACHINE\SOFTWARE\Oracle\KEY_OraClient10g_home2
HKEY_LOCAL_MACHINE\SOFTWARE\Oracle\KEY_OraDb10g_home1
and NLS_LANG was set to "AMERICAN_AMERICA.WE8MSWIN1252" in all 3 places.
(Though KEY_OraClient10g_home2 only had 4 entries as opposed to KEY_OraClient10g_home1's 13 entries)...
Since I made those changes I can no longer connect through Access.
I just receive a ODBC - connection to 'xxx' failed
Advice greatly appreciated!!!!
Edited by: user11150264 on Aug 25, 2009 10:21 PM

Actually it sort of does...
I switched the ODBC connection to use instant client and now it's all working again.
The biggest mystery is what changed to make it suddenly stop working the old way...

Error in connecting oracle odbc driver 9.1.0.8

java.SQLException:[Microsoft][ODBC Driver Manager][Driver's SQLAllocHandle on SQL_HANDle_ENV failed
this error is raised when connecting oracle 9i database using oracle odbc 9.1.0.8 driver. please help me

java.SQLException:[Microsoft][ODBC Driver Manager][Driver's SQLAllocHandle on SQL_HANDle_ENV failed
this error is raised when connecting oracle 9i database using oracle odbc 9.1.0.8 driver. please help me

Ms-access XP front-end and oracle ODBC driver

Hi all,
I need to set up 5 workstations with ms-access front end accessing an oracle database through Oracle ODBC 9.2.0.5.0 driver and linked tables.
My main concern is to learn about any issues that may limit what can and can�t be done through access as opposed to an oracle client. I found out that the maximum size of an access XP database is 2GB, but I have not found accurate information as to the maximum number of records ms-access can handle per table. This would be of critical importance to me because the tables I'm working with may eventually hold up to hundreds of thousands of records.
Concurrency control is also an important topic since 2 or more of the clients may at some point read or write information on the same tables.
Answers to these questions and any other issues of special importance would be greatly appreciated.
Thanks a lot,
JP.

Just seen this message you had posted to OTN. I am currently looking for some sample codes developing applications using MS Access as front end connected to Oracle database. I appreciate if you can provide me some sample codes that has a master-detail-relationship type of access form that performs an inserts into the master and detail table. Thanks a lot.

MS ODBC or Oracle ODBC driver?

Can anyone tell me which is the correct driver to use when developing front end MS Access 2003 to retrieve and update data on a Open VMS platform with Oracle 8.1.7.3 database?
I have serval Access 2000 databases that run on most WinNT or W2K clients with a couple of W2K Dell exceptions. These Access 2000 db's connect to the Oracle database using linked tables and SQL pass-through queries that work with ODBC Manager-DNS system setup using the Microsoft for Oracle ODBC driver.
Now we are upgrading to Office Pro 2003 so new W2K images have been setup with Oracle 8.1.7 Client. SQL*Plus works on these clients but when I create the System DNS the Access databases return an error "ODBC connection failed". I can however connect with a pass-through query using Oracle's ODBC driver. Not enough time in roll-out plan to change the ODBC connection string in hundreds of Access SPT queries.
Please help!
Bonnie

if you still need assistance reagarding this...email me directly..
shah
null

Unable to install 64-bit Oracle ODBC Instant Client on Windows 2008 R2 machine.

I am trying to upgrade the Oracle ODBC driver from the 32-bit version currently installed (ODBC Instant Client Release 10.1.0.5.0, April 2006) to a newer 64-bit version but have not been successful. I have had success at uninstalling and reinstalling the existing 32-bit version package (release 10.1.0.5.0) however when I've tried to install the 64-bit ODBC Instant Client (Release 12.1, December 2012), I run the odbc_install.exe application inside the package. it appears to run without issue/compliant, but then I do not see the 64-bit Oracle ODBC driver anywhere, either if I go via the traditional Administrator Tools --> ODBC Data Sources or if I go to the c:\windows\syswow64\odbcad32.exe route. Further investigation into the ReadMe file (ODBC_IC_Readme_Win.html) reveals that you need the 3 DLLs oci.dll, oraociei11.dll and orannzsbb11.dll which the package does not come with. Where could I obtain the correct version of these DLLs or else where can I get an installation package which already contains them?
Any help with this is greatly appreciated. Thank you

Welcome to the forums !
Pl post this in the Instant Client forum - Instant Client
HTH
Srini

Unable to connect SQL State=S1000 [Oracle][ODBC][Ora]ORA-12170:

Hi all,
I have an Windows XP OS with SP3.
I have installed the Oracle 11g server.
On trying to connect to the ODBC connection, i get the following error message:
Unable to connect SQL State=S1000 [Oracle][ODBC][Ora]ORA-12170: TNS: Connect timeout occured
On trying the tnsping,
TNS Ping Utility for 32-bit Windows: Version 11.1.0.6.0 - Production on 09-OCT-2
011 13:11:05
Copyright (c) 1997, 2007, Oracle. All rights reserved.
Used parameter files:
E:\app\Gautam\product\11.1.0\db_1\network\admin\sqlnet.ora
Used TNSNAMES adapter to resolve the alias
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.
5.207)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl))
TNS-12535: TNS:operation timed out
On trying to connect with SQL Developer, i get the following error:
Status: Failure - Test failed: Io Exception: The Network Adapter could not establish the connection
However i am able to connect to the same using SQL Plus
Another issue that occurs is that the Oracle Enterprise Manager shows the following error after a while:
Agent Connection to Instance
Status Failed
Details ORA-12505: TNS:listener does not currently know of SID given in connect descriptor (DBD ERROR: OCIServerAttach)
The following services are all up during this point of time:
OracleDBConsoleorcl
OracleOraDb11g_home1TNSListener
OracleServiceORCL
Any help in this regard will be very useful as this is hindering the progress of my work.
Thanks in advance for the help.
- Gautam

841683 wrote:
Hi,
I did try and delete my listener.ora and then create a new one..
That did not solve my issue..
What are the steps for configuring the listener again.
Thanks for the response..
- Gautamno listener.ora file is required.
just do as below
lsnrctl start

[Oracle][ODBC SQL Server Driver][libssclient22]General network error

I am using oracle gateway (11.1) for sqlserver on Linux platform with Oracle Server 10g.
I am getting following error when i run any select query:
ORA-28500: connection from ORACLE to a non-Oracle system returned this message:
[Oracle][ODBC SQL Server Driver][libssclient22]General network error. Check your network documentation.[Oracle][ODBC SQL Server Driver][libssclient22]ConnectionOpen (connect()).[Oracle][ODBC SQL Server Driver]Invalid connection string attribute
ORA-02063: preceding 2 lines from SQLSERVER
Another thing is, i have created a ODBC DSN named as "sqlserver" as well. This configuration works fine when "program" parameter is set to dg4odbc in Listener.ora. But with dg4msql, it gives error.
Followings are the configuration files:
initsqlserver.ora
# HS init parameters
HS_FDS_CONNECT_INFO=database_machine:1433//test_master
HS_FDS_TRACE_LEVEL=OFF
HS_FDS_RECOVERY_ACCOUNT=RECOVER
HS_FDS_RECOVERY_PWD=RECOVER
listener.ora
SID_LIST_sqlserver =
(SID_LIST =
(SID_DESC =
(SID_NAME = sqlserver)
(ORACLE_HOME = /u01/app/oracle/product/11.1.0.6.0/gateway)
(PROGRAM = dg4msql)
sqlserver =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = Server_Machine )(PORT = 1522))
(ADDRESS = (PROTOCOL = IPC)(KEY = PNPKEY))
tnsnames.ora
SQLSERVER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = Server_Machine)(PORT = 1522))
(CONNECT_DATA =
(SID = sqlserver)
(HS = OK)
)

Hi,
The error you get is because your HS_FDS_CONNECT_STRING is not correct:
Be sure you can ping the SQL SERVER name from the Oracle Server,or use TCP/IP address
Check the port, it is not necessary 1433.
You can use the instance name insted of port:
HS_FDS_CONNECT_STRING=server_ip_address/instance_name/database_name
Be careful, in the LISTENER.ORA, you must specify the Gateway machine and not the SQL SERVER machine:
sqlserver =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = Gateway_Machine )(PORT = 1522)) <====you must specify Oracle Gateway machine
(ADDRESS = (PROTOCOL = IPC)(KEY = PNPKEY))
Idem for TNSNAMES.ORA:
SQLSERVER =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = Gateway_Machine)(PORT = 1522))
(CONNECT_DATA =
(SID = sqlserver)
(HS = OK)
Regards
Mireille

Bug in Oracle ODBC

Hi,
I tried to use ADODB.Command to call a stored procedure in a Oracle 9i.
when I try a procedure with many parameters and the name I put lower case letters in property CommandText (eg com.commandtext = "Insert_Person")
the web server (IIS) hangs and only a reboot solves.
Flavio

Hi,
I just found out what my problem was.
Oracle ODBC driver 8.1.6.3 does not support
positioned updates. For that you must use
the cursor library. When I did my test
in Windows95, I had a resource problem; the
cursor library could not be loaded. The
Oracle ODBC driver 8.1.6.3 probably uses
more resources than older versions !!
-- Andre W.
null

Too many time to open a session with oracle odbc

I have to migrate an internet site in Sql Server to Oracle.
When I connect Oracle Database with Oracle ODBC, it takes 2 or 3 seconds.
So if i have 8 or 10 recordset to open, it takes 20 s.
But when sessions are open, they live about 1 m and during this time i don't have problem to connect to the database.When i don't use the site during more than 1 m, all sessions are closed and so i have to wait.
How can i connect to the database quickly the first time?

Are you using connection pooling? Are you pre-allocating connections on startup?
Justin

Insert into CLOB fails with Oracle ODBC driver version 9.02.00.65

I tried to insert into CLOB using the latest Oracle ODBC driver 9.02.00.65 and it fails. But the same works with earlier versions of ODBC driver earlier to 9.02.00.65 ie., 9.02.00.63.
Here is the code snippet I tried. Any help now is highly appreciated as I am in the crunch time.
I tried the same code snippet with VARCHAR2 column with the same driver and it works.
** CONVDSN.C - This is the ODBC sample code for
** creating File DSN pointers to machine DSNs.
**This code is furnished on an as-is basis as part of the ODBC SDK and is
**intended for example purposes only.
#include <windows.h>
#include <stdio.h>
#include <tchar.h>
#include <sql.h>
#include <sqlext.h>
#include <odbcinst.h>
#include <sqltypes.h>
#define MAXDATALEN 25 //maximum data length per column
#define MAX_COL 15 //maximum column in result set
#define MAX_ROW 100 //maximum number of rows
#define MAXBUFLEN 256
#define SQLERR_FORMAT "SQL Error State:%s, Native Error Code: %lX, ODBC Error: %s"
#define MAXDISPLAYSIZE MAX_COL*(MAXDATALEN+1)
#define SQLWRNMSGTITLE "SQL_SUCCESS_WITH_INFO results"
#define SQLERRCNTDTITLE "SQL_ERROR results continued"
#define SQLWRNMSGTITLE "SQL_SUCCESS_WITH_INFO results"
#define SQLWRNCNTDTITLE "SQL_SUCCESS_WITH_INFO results continued"
#define NULLDATASTRING "SQL_NULL_DATA"
#define SQLERRMSGTITLE "SQL_ERROR results"
// prototypes
void ExpandFileName(LPSTR szFileDSNName, LPCSTR szDSNName);
void MakeLegalName(LPSTR szLegalDSNName, LPCSTR szDSNName);
// main routine: Iterate through the user and system DSNs, creating a pointer
// to each.
void FAR PASCAL DisplayError(SQLRETURN nResult, HWND hWnd, SWORD fHandleType, SQLHANDLE handle);
void insertSelectClob();
void checkRcCode(RETCODE rc);
int main (int argc, char* argv[])
     insertSelectClob();
return 0;
void FAR PASCAL DisplayError(SQLRETURN nResult, HWND hWnd, SWORD fHandleType, SQLHANDLE handle)
     UCHAR szErrState[SQL_SQLSTATE_SIZE+1]; // SQL Error State string
     UCHAR szErrText[SQL_MAX_MESSAGE_LENGTH+1]; // SQL Error Text string
     char szBuffer[SQL_SQLSTATE_SIZE+SQL_MAX_MESSAGE_LENGTH+MAXBUFLEN+1];
     // formatted Error text Buffer
     SWORD wErrMsgLen; // Error message length
     UDWORD dwErrCode; // Native Error code
     int iSize; // Display Error Text size
     SQLRETURN nErrResult; // Return Code from SQLGetDiagRec
     SWORD sMsgNum = 1;
     SWORD fFirstRun = TRUE;
     char szDispBuffer[MAXDISPLAYSIZE+1]; // Display Buffer
     szBuffer[0] = '\0';
     do
          // continue to bring messageboxes till all errors are displayed.
          // more than one message box may be reqd. as err text has fixed
          // string size.
          // initialize display buffer with the string in error text buffer
          strcpy(szDispBuffer, szBuffer);
          // call SQLGetDiagRec function with proper ODBC handles, repeatedly until
          // function returns SQL_NO_DATA. Concatenate all error strings
          // in the display buffer and display all results.
          while ((nErrResult = SQLGetDiagRec(fHandleType, handle, sMsgNum++,
               szErrState, &dwErrCode, szErrText,
               SQL_MAX_MESSAGE_LENGTH-1, &wErrMsgLen)) != SQL_NO_DATA)
               if(nErrResult == SQL_ERROR || nErrResult == SQL_INVALID_HANDLE)
               break;
               wsprintf(szBuffer, SQLERR_FORMAT, (LPSTR)szErrState, dwErrCode, (LPSTR)szErrText);
               iSize = strlen(szDispBuffer);
               if (iSize && (iSize+strlen(szBuffer)+1) >= MAXDISPLAYSIZE)
               break;
               if (iSize)
               strcat(szDispBuffer, "\n");
               strcat(szDispBuffer, szBuffer);
          // display proper ERROR or WARNING message with proper title
          if (nResult == SQL_SUCCESS_WITH_INFO)
               MessageBox(hWnd, szDispBuffer, (fFirstRun? SQLWRNMSGTITLE : SQLWRNCNTDTITLE),
               MB_OK | MB_ICONINFORMATION);
          else
               MessageBox(hWnd, szDispBuffer, (fFirstRun? SQLERRMSGTITLE : SQLERRCNTDTITLE),
               MB_OK | MB_ICONEXCLAMATION);
          if (fFirstRun)
               fFirstRun = FALSE;
     while (!(nErrResult == SQL_NO_DATA || nErrResult == SQL_ERROR || nErrResult == SQL_INVALID_HANDLE));
void insertSelectClob()
SQLCHAR clobdata[1001];
SQLCHAR resultdata[1001];
SQLINTEGER ind = SQL_DATA_AT_EXEC;
SQLCHAR *bufp;
     SQLINTEGER cbOrderID = sizeof(SQLSMALLINT);
     SQLSMALLINT sTmp=13;
     SQLCHAR *sqlStmt1 = _T("INSERT INTO clobtbl(id, clob1) VALUES(?, ?)");
     SQLCHAR *sqlStmt2 = _T("SELECT id, clob1 FROM clobtbl");
//     SQLCHAR *sqlStmt1 = _T("INSERT INTO testInsert(id, clob1) VALUES(?, ?)");
// SQLCHAR *sqlStmt2 = _T("SELECT id, clob1 FROM testInsert");
int clobdatalen, chunksize, dtsize, retchklen;
     HENV envHnd;
HDBC conHnd;
HSTMT stmtHnd;
RETCODE rc;
     int nRowcnt=0;
     SQLPOINTER pToken = NULL;
rc = SQL_SUCCESS;
// ENV is allocated
rc = SQLAllocEnv(&envHnd);
// Connection Handle is allocated
rc = SQLAllocConnect(envHnd, &conHnd);
rc = SQLConnect(conHnd, T("testd734"), SQLNTS, T("ipathdba"), SQLNTS, T("ipathdba"), SQLNTS);
printf(_T("Insert CLOB1 using SQLPutData...\n[%s]\n"), sqlStmt1);
// Set CLOB Data
int i;
SQLCHAR ch;
for (i=0, ch=_T('A'); i< sizeof(clobdata)/sizeof(SQLCHAR); ++i, ++ch)
if (ch > _T('Z'))
ch = _T('A');
clobdata[i] = ch;
clobdata[sizeof(clobdata)/sizeof(SQLCHAR)-1] = _T('\0');
clobdatalen = lstrlen(clobdata); // length of characters
chunksize = clobdatalen / 7; // 7 times to put
     rc = SQLAllocHandle(SQL_HANDLE_STMT, conHnd, &stmtHnd);
// Step 1: Prepare
rc = SQLPrepare(stmtHnd, sqlStmt1, SQL_NTS);
// checkSQLErr(envHnd, conHnd, stmtHnd, rc);
// Step 2: Bind Parameter with SQL_DATA_AT_EXEC
rc = SQLBindParameter(stmtHnd,
1,
SQL_PARAM_INPUT,
SQL_C_SSHORT,
SQL_INTEGER,
0,
0,
&sTmp,
0,
&cbOrderID);
rc = SQLBindParameter(stmtHnd,
2,
SQL_PARAM_INPUT,
SQL_C_CHAR,
SQL_LONGVARCHAR,
clobdatalen*sizeof(CHAR),
0,
(SQLPOINTER)clobdata,
clobdatalen*sizeof(CHAR),
&ind);
// checkSQLErr(envHnd, conHnd, stmtHnd, rc);
// Step 3: Execute
rc = SQLExecute(stmtHnd);
     while (rc == SQL_NEED_DATA) {
          rc = SQLParamData(stmtHnd, &pToken);
          if (rc == SQL_NEED_DATA) {
               for (dtsize=0, bufp = clobdata;
                    dtsize < clobdatalen;
                    dtsize += chunksize, bufp += chunksize)
               int len;
               if (dtsize+chunksize < clobdatalen)
                    len = chunksize;
                    rc = SQLPutData(stmtHnd, bufp, len*sizeof(SQLCHAR));
               else
                    len = clobdatalen-dtsize;
                    rc = SQLPutData(stmtHnd, bufp, SQL_NTS);
          rc = SQLParamData(stmtHnd, &pToken);
// Fails as row count retrieved is zero.
     rc = SQLRowCount(stmtHnd, &nRowcnt);
     if(rc != SQL_SUCCESS)
          DisplayError(rc, NULL, SQL_HANDLE_ENV, conHnd);
rc = SQLFreeStmt(stmtHnd, SQL_CLOSE);
printf(_T("Finished Update\n\n"));
rc = SQLAllocStmt(conHnd, &stmtHnd);
if (rc != SQL_SUCCESS)
printf(_T("Failed to allocate STMT\n"));
exit(-1);
// Clear Result Data
memset(resultdata, 0, sizeof(resultdata));
chunksize = clobdatalen / 15; // 15 times to gut
rc = SQLExecDirect(stmtHnd, sqlStmt2, SQL_NTS); // select
     if(rc != SQL_SUCCESS)
          DisplayError(rc, NULL, SQL_HANDLE_ENV, conHnd);
// Step 2: Fetch
rc = SQLFetch(stmtHnd);
for(dtsize=0, bufp = resultdata;
dtsize > sizeof(resultdata)/sizeof(CHAR) && rc != SQL_NO_DATA;
dtsize += chunksize-1, bufp += chunksize-1)
int len; // len should contain the space for NULL termination
if (dtsize+chunksize<sizeof(resultdata)/sizeof(CHAR))
len = chunksize;
else
len = sizeof(resultdata)/sizeof(CHAR)-dtsize;
// Step 3: GetData
rc = SQLGetData(stmtHnd,
2,
SQL_C_CHAR,
(SQLPOINTER)bufp,
len*sizeof(CHAR),
&retchklen);
if (!_tcscmp(resultdata, clobdata))
printf(_T("Succeeded!!\n\n"));
else
printf(_T("Failed!!\n\n"));
     if (conHnd)
          SQLFreeConnect(conHnd);
     if (envHnd)
          SQLFreeEnv(envHnd);
}

Hi,
Since 9.2 has been desupported for error correction you will not be able to download that version from OTN. You should ask whoever is providing the training if their is an alternate version you can use. The only versions that you will be able to download from oracle.com is 10.2 11.1, and 11.2.

How to select active Oracle ODBC Driver programmatically?

Hi,
My application creates ODBC DSN to connect with Oracle 10g database server. I need to find out Oracle Driver installed on the system programmatically. I am trying to read KEY_<PRODUCT NUMBER> registry key and eventually searching ORACLE_HOME value. This helps me in searching Oracle Driver in ODBCINST.INI registry key. (Oracle in OraDb10g_home1)
If multiple Oracle clients are installed on the same system, multiple KEY_<PRODUCT NUMBER> registry keys and oracle drivers would be available. I am not sure which and how to select the current active oracle driver.
Oracle in OraDb10g_home1
Oracle in OraDb10g_home2
Can anybody help me out? Can I use inventory file (inventory.xml) to determince current active home directory? Reading PATH environment variable to identity active home directory would be tedious.

Please look at following thread for answer.
How to select active Oracle ODBC Driver programmatically?

Oracle ODBC Driver 8.1.7.8b causing MFC OpenEx() delay

Hi:
I have installed the Oracle ODBC Driver version 8.1.7.8b on a WINNT 4.0 Workstation with SP6a. I have an MFC test app with the following code:
PostStatus(ERROR_NOERROR, APP_NAME, "Calling OpenEx()");
CDatabase db;
if(db.OpenEx(_T("DSN=MYTESTDSN;UID=USERID;PWD=PASSWORD"), CDatabase::openReadOnly|CDatabase::noOdbcDialog))
     PostStatus(ERROR_NOERROR, APP_NAME, "OpenEx() success,calling Close()");
     db.Close();
} // OpenEx()
else // OpenEx() error
     PostStatus(ERROR_MODERATE, APP_NAME, "Error opening database,OpenEx() failed!");
The above OpenEx call is taking upto 3 seconds to return. When I use Microsoft Oracle ODBC driver, it takes less than 0.5 sec to connect/disconnect.
Any idea why OpenEx() is taking that long? I've compiled this using VC++ 6.0 SP5, on a WIN2K and WINNT system but I get the same result.
Thanks,
Amit.

This forum is for feedback about the OTN program and problems with OTN accounts. Technical questions cannot be answered here. Please post your question in the appropriate product or technology forum. http://forums.oracle.com/forums/index.jsp?cat=48

Oracle ODBC

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