JDBC and adapters

I wrote the following code on a VINE

OracleDataSource ods = new OracleDataSource();
ods.setURL("jdbc:oracle:thin:scott/[email protected]:1521/orcl");
Connection conn = ods.getConnection(); 
// Check for the existence of a previous customerID
String selectStmt     = "SELECT * from STEPS " +
     "WHERE (streamID='" + 
     this.customerId +
     "') and (assetid='" + 
     this.eventName +
     "')";    
Statement stmt  = conn.createStatement();
//System.out.println("-- calling SELECT");
//System.out.println(selectStmt);
ResultSet rs    = stmt.executeQuery(selectStmt);

It works fine, except that it's slow exceedingling. I send about 20,000 messages to this code.

I think the problem is that I opened the connection whenever I run a select statement (and later an insert statement).

The server instance goes away after the message has been processed, and I can't save the connection.

Using an adapter in the config.xml file would prevent this opening a new connection each time a message calls this code.

If Yes, I've never done JDBC with an adapter and I do not understand how to use an adapter to use a WHERE clause to select variables, since, in the example I've seen so far, it puts 'SELECT 1 from DUAL' in the config.xml file and does not explain how to get mix have the select interact with variables code or better yet how to get your code to get a connection handle.

Could someone please post an exaqmple of how to use an adapter with JDBC and eventually how get your code to access a connection from the config.xml file handle?

Thank you

Hello

I recommend you to configure your JDBC driver in the config.XML to the server level. Doing it this way will allow you to benefit from the pooling of connection provided by the application server. Here is an example:

StockDs

1
10

JDBC:Derby:
org.apache.derby.jdbc.EmbeddedDriver

databaseName
DB

create
true

Hope that helps.
Seth White

Tags: Fusion Middleware

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Please provide details
-Thank you

Please see:

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Hello

This could be a trick question or I'm probably going in circles with this one. I know that it is not possible to call the pl/sql command ("together define") using a jdbc connection. Correct me on this one, if I'm wrong ;)

So what I want because I want to run the following using a CallableStatement stmt:

-----
command prompt
Guest: CREATE TABLE 'TEST_IN '. "" TEST_RECEIPT_EXTERNAL "...
command prompt

CREATE TABLE 'TEST '. "" TEST_RECEIPT_EXTERNAL ".
('APPLE' VARCHAR2 (8 CHAR)
, VARCHAR2 (1 CHAR) 'PIE '.
'RECEPTION' VARCHAR2 (58 CHAR)
)
EXTERNAL ORGANIZATION
(TYPE ORACLE_LOADER
DEFAULT DIRECTORY 'TEST_IN '.
ACCESS SETTINGS
(records delimited by newline
fields)
APPLE position (1: 8) CHAR (8),
PIE of the post (9: 9) char (1),
RECEIPT of the post (10: 67) CHAR (58))
)
LOCATION
("TEST_IN": "FLIP.) FLOP.19760104170600'))
REJECT LIMIT UNLIMITED
1 PARALLEL
/
-----

that gives me the expected error:

Parameter Missing or OUT to index: 1

Any thoughts on this would be very useful - thanks in advance,
Sascha

Use a regular statement. There is no reason to DDL like that with a callable statement.
You should be OK then.

JDBC and ODBC

run:
Exception in thread "main" java.lang.NullPointerException
to InsertDemo. < init > (InsertDemo.java:26)
at InsertDemo.main (InsertDemo.java:77)
Result of Java: 1
BUILD successful (total time: 1 second)

This is the message that I get when I try to run my Java program to connect to SQL server 2005, I put the user data source in ODBC Data Source Administrator.
I went on all protocols on the server also as TCP/IP server should listen to connections.
When I run this code specific to Windows 7 Professional 32-bit operating system, it is fluid, but when I try to run the same version of Windows but 64-bit I get this message with all the same settings at a time. My code is: -.

import java.sql.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;

public class InsertDemo extends JFrame implements ActionListener
{
     JTextField tf1,tf2,tf3,tf4;
     JTextArea ta;
     JButton jb1,jb2;
     Container cp;
     Connection con;
     Statement stmt;
     public InsertDemo()
     {
          cp=getContentPane();
          cp.setLayout(new FlowLayout());
          try
          {
               Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
               con=DriverManager.getConnection("jdbc:odbc:empdsn");
               stmt=con.createStatement();
          }
          catch(Exception e)
          {
               ta.setText(e.toString());
          }
          tf1=new JTextField(20);
          tf2=new JTextField(20);
          tf3=new JTextField(20);
          tf4=new JTextField(20);
          ta=new JTextArea(10,20);
          jb1=new JButton("Insert");
          jb2=new JButton("Clear All");
          jb1.addActionListener(this);
          jb2.addActionListener(this);
          cp.add(tf1);
          cp.add(tf2);
          cp.add(tf3);
          cp.add(tf4);
          cp.add(jb1);
          cp.add(jb2);
          cp.add(ta);
     }
     public void actionPerformed(ActionEvent ae)
     {
          if(ae.getSource()==jb1)
          {
               int a=Integer.parseInt(tf1.getText());
               String b=tf2.getText();
               int c=Integer.parseInt(tf3.getText());
               String d=tf4.getText();
               try
               {
                    int e=stmt.executeUpdate("INSERT INTO EMP VALUES("+a+",'"+b+"',"+c+",'"+d+"')");
                    if(e>0)
                    ta.setText("("+e+") rows effected.");
                    else
                    ta.setText("Error!");
               }
               catch(Exception e)
               {
                    ta.setText(e.toString());
               }
          }
          else
          {
               ta.setText("");
               tf1.setText("");
               tf2.setText("");
               tf3.setText("");
               tf4.setText("");
          }
     }
     public static void main(String args[])
     {
          InsertDemo md=new InsertDemo();
          md.setSize(500,500);
          md.setVisible(true);
     }
}

I don't know what to do.
Help, please!

Published by: EJP on 29/08/2011-18:47: added {noformat}

{noformat} tags. Please use them.

Line 26 is probably con.createStatement?

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Hi mikaelaridz,

I understand that you just bought a MacBook Air in an Apple store, and when you plug your iPhone 6 in it, you are to hear a sound indicating that the connection does not work. If your MacBook Air has a port USB - C, you must use the USB - C for Lightning cable to connect your iPhone.

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Through this port, you can:
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Hello Joachim

Your ad made me really curious, and I did a few tests with my Tecra laptop. A few days ago I bought all together of cables and adapters Audio/video.

For the test I have connected my Tecra to Sony BRAVA LCD TV. Just to be precise, I used cables and adapters follow:
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S-Video/http://www.nikomp.com.pl/opisy/AY000/AYVCW12N.jpg adapter cinch
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I don't know what TV you have, but I am 100% sure that there is something wrong with the settings of your TV. I can just recommend properly test you and do not forget that the right port on the TV is turned on.

Good luck!

I connected a VGA cable and clicked on the option monitor, he did not come on my t v

VGA?

I connected a VGA cable and clicked on the option monitor, he did not come on my t, v and the screen is black when I plug cable in the future. How can I get the possibility to save change?

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http://hookpctotv.com/

How to connect your PC to your TV
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http://www.SVIDEO.com/PC2TV.html

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Windows Vista-
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Windows Vista-
From PC to TV, part 1
Digital media stream to any room with Windows Media Center and Xbox 360
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I drive the monitor via a HDMI cable and adapters changed just after the last of them went wrong, so the new audio software NVIDIA can get complicated this unduly now. But it seems that the only way for me to join the audio track from any video source given the monitor is to go through the tedious process to navigate to the audio tab and then change the default devices of the Creative device to the NVIDIA device. If I have already started the video until I realize that I am still set up for music, I have to leave the VCR and the restart before it will route the audio through the HDMI.

Then of course if I want to stop watching the video source and go back to something with music as a background, I must reverse this procedure as a whole.

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Certainly I'm not the only one annoyed by these audio problems. What are the solutions are there for these problems? I would like to be able to choose speakers, based on sources: mp3s and other audio-only stuff would be default to the Creative device, while avi and other video stuff would be only of course exit by default for the NVIDIA card. Seems kind of obvious... but it does not work like that?

Hi 808pants,

You can try to change the settings for the audio mixer Panel to help relieve this problem:

http://Windows.Microsoft.com/en-us/Windows7/adjust-the-sound-level-on-your-computer

In addition, most programs can be configured to use a specific audio adapter. In the case of Skype, you can check the following link to set up Skype:

http://www.Skype.com/help/guides/soundsetup_vista.HTML#4

Note: using third-party software, including hardware drivers can cause serious problems that may prevent your computer from starting properly. Microsoft cannot guarantee that problems resulting from the use of third-party software can be solved. Software using third party is at your own risk.

Unless the program is designed to specify the audio adapter, the only way that you can choose where will the audio is by setting the audio adapter by default.

Hope this information is useful.

Jeremy K
Microsoft Answers Support Engineer
Visit our Microsoft answers feedback Forum and let us know what you think.

If this post can help solve your problem, please click the 'Mark as answer' or 'Useful' at the top of this message. Marking a post as answer, or relatively useful, you help others find the answer more quickly.

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The Apple local store checked the laptop and it seems to work fine. If that doesn't seem to be the problem.

All my HDMI cables and adapters from port simply cannot all be defective

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