Getting LONG RAW from remote database

Hi,
I have a table in my local database that has a LONG RAW column . I have another table of similar structure in a remote database (so it has LONG RAW as well). I would like to transfer data including LONG RAW data from the remote database into the local database table using PL/SQL. I know it is not possible to copy LONG RAW over dblink directly. Can anyone suggest an approach to accomplish this?
The local table cannot be changed to BLOB, but I have the flexibility to change the remote table to use BLOB. So, can anyone tell me if the following solution would work. If so, can you shed some light on what PL/SQL libraries to use or can you provide me with some sample code to implement steps 3 and 4 below?:
1. Change the remote table to use BLOB
2. Create a new temporary table with BLOB in the local database.
3. Copy data using PL/SQL from remote BLOB to local temporary table BLOB.
4. Copy data using PL/SQL from BLOB to LONG RAW within the local database from temporary table (w/ BLOB) to the actual target table (w/ LONG RAW).
I think step 3 can be a direct Insert-Select from remote table (I'll try this myself), but not sure how to go about step 4.
Thanks for your help.

There is a chapter in the Oracle Application Developer's Guide on calling external procedures
I don't know enough about VB and the available VB APIs to know for sure. I would assume that VB could be configured to generate a DLL with a C call specification. I would also assume that there was a VB API that would allow you to manipulate LONG RAW and BLOB data. Unfortunately, though, I don't know which VB API's have that functionality.
Justin

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    crlf ||
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    crlf ||
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    crlf ||
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         msg := msg||'-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-'||crlf||crlf;
         -- write the message to the error log file
         log_file_handle := UTL_FILE.FOPEN (log_file_dir, log_file_name, 'A',maxlinesize);
         UTL_FILE.PUT_LINE(log_file_handle,msg);
         UTL_FILE.FCLOSE(log_file_handle);
         -- send the message by Email
         mail_conn := UTL_SMTP.open_connection(smtp_relay, mail_port);
         UTL_SMTP.HELO(mail_conn, smtp_relay);
         UTL_SMTP.MAIL(mail_conn, sender_address);
         UTL_SMTP.RCPT(mail_conn, recipient_address);
         UTL_SMTP.DATA(mail_conn, msg);
         UTL_SMTP.QUIT(mail_conn);
      END IF; -- client_program = MyProgram.exe
   END IF;
END;
/

Copy Long raw from oracle table to table

Hi
I am wondering if someone help me to move (copy) long raw data from one table to another. I want to do:
select long_raw_data from table1;
insert into table2 values (previously selected long raw value).
I wrote the following small java code, but it doesn't work. I get the following exception:
java.sql.SQLException: ORA-00936: missing expression.
---------- Code: ---------
import java.net.URL;
import java.sql.*;
class myJDBC
public static void main (String args[])
try {
Class.forName ("oracle.jdbc.driver.OracleDriver");
String url = "jdbc:oracle:thin:@test:1521:devtest";
Connection con = DriverManager.getConnection (url, "test", "test");
     Statement stmt = con.createStatement ();
     Statement insStmt = con.createStatement ();
ResultSet res = stmt.executeQuery (
"SELECT resume_data FROM resume where rownum < 26 ");
while (res.next ()) {
     byte[] bytes = res.getBytes(1);
     insStmt.executeUpdate("INSERT INTO TMP_RESUME VALUES (" + bytes + ")");
// clean-up
stmt.close ();
con.close ();
catch (Exception e) {
System.out.println (e.getMessage ());
e.printStackTrace ();
------------ Code ends ---------------
Thanks for your help
V Prakash

use PreparedStatement :
PreparedStatement insStmt = connect.prepareStatement("INSERT INTO TMP_RESUME VALUES (?)");
while (res.next ())
byte[] bytes = res.getBytes(1);
insStmt.setBytes(1,bytes);
insStmt.executeUpdate();
I don't remember very querys with ORACLE,
but you may be do this in one time with
SELECT ...... INTO ....
or
INSERT ..... INTO ..... SELECT
One of this is valid for ORACLE and the other for SYBASE ...

Copy Long raw from one table to another.

Hi
I am trying to copy data from one table to another. Source has one Long Raw column. There are about million rows in source table. And I am using Oracle 8.1.5. Whenever I execute the copy command, I get the following error message: Can someone help me?
SQL> set long 64000000
SQL> set copycommit 1
SQL> set arraysize 100
SQL> COPY to test/test@testfix CREATE resume_bkup1 using select * from resume;
Array fetch/bind size is 100. (arraysize is 100)
Will commit after every array bind. (copycommit is 1)
Maximum long size is 64000000. (long is 64000000)
ERROR:
ORA-01084: invalid argument in OCI call
SQL>
Thanks
V Prakash

insert into emp_personal(emp_no, emp_pic) select emp_no, emp_pic from emp_personal_old where empno = '10059'
Read the documentation as suggested by sol.beach.
And fix your front-end to use supported datatypes.

Trouble creating forms from remote database

Hi,
We are having problems with connecting to remote databases with portal. We can create reports fine from the remote databases but when we try to create forms, it gives the error:
'This Table does not exist or you do not have the required privileges (WWV-13020)'.
We've created a link to the remote db, and synonyms for each of the tables. I don't understand because it seems we can build reports and other components...just not forms.
If anyone has any ideas as to what the problem could be, any assistance you may provide is greatly appreciated!
Thanks!

<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Dmitry Nonkin([email protected]):
Sarah,
It could be dull, but anyway - make sure that you granted all the required grants (INSERT,UPDATE,DELETE) in addition to SELECT to the application schema.
Also, at which step of the wizard you recieve this error?
Thanks,
Dmitry<HR></BLOCKQUOTE>
Dmitry - we're having the same problems...
I've had our DBA team grant us every possible privilage we can find - but I still can't create a form from within the portal to a remote database. The wizard lets me put in the table name, ex. asset.wban_trans@drsrch, and does come up with the proper columns on the layout page of the wizard, but when I click the "Finish" button I get the following errors: Line/Column Error
733/21 PLS-00454: with a returning into clause, the table expression cannot be remote or a subquery
733/9 PL/SQL: SQL Statement ignored
841/16 PLS-00454: with a returning into clause, the table expression cannot be remote or a subquery
841/9 PL/SQL: SQL Statement ignored
The form is then listed in my applications list, but if I try and run it I get the following error:
Error: An unexpected error occurred: ORA-04063: has errors
ORA-04063: package body "PORTAL.FORM_0305092506" has errors
ORA-06508: PL/SQL: could not find program unit being called (WWV-16016)
Thanks for any help....
Christina
null

Error messages from remote database

Hi.
While working across database links, usually the error messages occurring on the remote database are displayed without particulars like datafile name, tablespace name, etc. e.g. ORA-03232: unable to allocate an extent of blocks from tablespace , which should ideally say ORA-03232: unable to allocate an extent of 100 blocks from tablespace TEMP. This, probably is because only an error number is passed back from the remote database or because the other parameters passed back are not being picked up properly by the local database (client). Is there any way to get around this? It should not be something like 'add a parameter in the remote procedure for getting back the error text'!
Thanks,
Rahul

The alternative of course is to make your process which does the insert into the table conditional upon the username not already being present in the table. It give you the overhead of an additional data fetch but this should be negliable unless you have a very large table with poor index usage.

Getting LONG RAW from remote database

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