Modfiying SQL in a viewObject in a differenat frame

I wish to collect information from one frame and display the results of a query in another frame.
My initial idea was to generate an event when the submit bottom was pressed, modify the SQL in the viewObject in the eventHandler class and then have that viewObject displayed in the results frame.
Do I put the event in the .uix for the entire page or just in the .uix for the individual frame.
How do I get the viewObject? Right now it is scoped in the results frame.
How do I modify the SQL query by appending a where clause?
I can not find an example in the docs. If there is, please tell me where.
Regards,
Bill

This falls in the the realm of answering my own question, but if the JDeveloper team could say right track / wrong track, I would appreciate it.
I wish to collect information from one frame and display the results of a query in another frame.
My initial idea was to generate an event when the submit bottom was pressed, modify the SQL in the viewObject in the eventHandler class and then have that viewObject displayed in the results frame.
Do I put the event in the .uix for the entire page or just in the .uix for the individual frame.Put the event in same frame(.uix) as the submit button.
How do I get the viewObject? Right now it is scoped in the results frame.Get the ViewObjecy from the ApplicationModule
From BC4J API
findViewObject
public ViewObject findViewObject(java.lang.String voName)
Finds the named View Object. The View Object name passed in (voName) may or may not be qualified with the name of the containing Application Module. If it is, the View Object name is said to be an AM-qualified View Object name. If not, the name is said to be an unqualified View Object name.
How do I modify the SQL query by appending a where clause?Use the method setWhereClause in the ViewObject class
From BC4J API
setWhereClause
public void setWhereClause(java.lang.String cond)
Sets a WHERE clause bind value of the View Object's query statement.
I can not find an example in the docs. If there is, please tell me where.I could not find an example in the docs for getting a ViewObject from the ApplicationModule, but I found one for
Creating and Changing View Object Queries in Code
Once again this is what I found and have not tested it yet. I believe it will work, but comments from the JDeveloper team would be appreciated.
Regards,
Bill

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------------ Main.java------------------
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class Main implements ActionListener
Frame mainf;
MenuBar mb;
MenuItem List,admitform,inquiry,exit,helpn;
Menu newm,update,help;
Inquiry iq;
Admit ad;
// HosHelp hp;
Howuse hu;
Register reg;
Main()
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newm.add(inquiry);
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     inquiry.addActionListener(this);
     admitform.addActionListener(this);
helpn.addActionListener(this);
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public void actionPerformed(ActionEvent ae)
if (ae.getSource()==List)
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if(ae.getSource()==admitform)
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          if(ae.getSource()==exit)
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public static void main(String args[])
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-------------Register.java---------------------------
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class Register implements ActionListener//,ItemListener
Label id,name,login,pass,repass;
Button ok,newu,cancel,check;
Button vok,iok,lok,mok,sok; //buttons for dialog boxes
TextField idf,namef,loginf,passf,repassf;
Dialog valid,invlog,less,mismat,acucreat;
Frame regis;
Checkbox admin,limit;
CheckboxGroup type;
DBconnect db;
Register()
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regis=new Frame("Registeration Form");
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name=new Label("Name :");
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cancel=new Button("Cancel");
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vok=new Button("OK");
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          mok=new Button("OK");
          sok=new Button("OK");
valid=new Dialog(regis,"Login name is valid !");
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     less=new Dialog(regis,"Password is less than six characters !");
mismat=new Dialog(regis,"password & retyped are not matching !");
acucreat=new Dialog(regis,"You have registered successfully !");
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//     regis.setBackground(Color.orange);
valid.setLayout(new FlowLayout());
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     less.setLayout(new FlowLayout());
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acucreat.setLayout(new FlowLayout());
id.setBounds(35,50,80,25); //(left,top,width,hight)
idf.setBounds(125,50,40,25);
name.setBounds(35,85,70,25);
namef.setBounds(125,85,150,25);
login.setBounds(35,120,80,25);
loginf.setBounds(125,120,80,25);
check.setBounds(215,120,85,25);
     pass.setBounds(35,155,80,25);
passf.setBounds(125,155,80,25);
repass.setBounds(35,190,80,25);
repassf.setBounds(125,190,80,25);
admin.setBounds(35,225,100,25);
limit.setBounds(145,225,100,25);
          ok.setBounds(45,265,70,25);
     newu.setBounds(135,265,70,25);
cancel.setBounds(225,265,70,25);
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repassf.setEchoChar('*');
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     regis.add(idf);
regis.add(name);
     regis.add(namef);
     regis.add(login);
     regis.add(loginf);
     regis.add(check);
regis.add(pass);
     regis.add(passf);
regis.add(repass);
     regis.add(repassf);
     regis.add(ok);
     regis.add(newu);
     regis.add(cancel);
regis.add(admin);
     regis.add(limit);
valid.add(vok);
     invlog.add(iok);
     less.add(lok);
     mismat.add(mok);
acucreat.add(sok);
ok.addActionListener(this);
     newu.addActionListener(this);
check.addActionListener(this);
cancel.addActionListener(this);
     // limit.addItemListener(this);
     //admin.addItemListener(this);
          vok.addActionListener(this);
          iok.addActionListener(this);
     lok.addActionListener(this);
     mok.addActionListener(this);
     sok.addActionListener(this);
regis.setLocation(250,150);
regis.setSize(310,300);
regis.setVisible(true);
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     if(ae.getSource()==check)
          try{
               String s2=loginf.getText();
ResultSet rs=db.s.executeQuery("select* from List");
                    while(rs.next())
               if(s2.equals(rs.getString(2).trim()))
//                    invlog.setBackground(Color.orange);
                         invlog.setLocation(250,150);
                         invlog.setSize(300,100);
               cancel.setEnabled(false);
ok.setEnabled(false);
check.setEnabled(false);
                    invlog.setVisible(true);
                         break;
                    else
                    //     valid.setBackground(Color.orange);
                         valid.setLocation(250,150);
                         valid.setSize(300,100);
               cancel.setEnabled(false);
ok.setEnabled(false);
check.setEnabled(false);
               valid.setVisible(true);
                    }catch(Exception e)
               e.printStackTrace();
if(ae.getSource()==newu)
     try{
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     while(rs.next())
String s1=rs.getString(1).trim();
               int i=Integer.parseInt(s1);
i++;
               String s2=""+i;
idf.setText(s2);
               newu.setEnabled(false);
               namef.setText(""); namef.setEnabled(true);
          loginf.setText(""); loginf.setEnabled(true);
          passf.setText(""); passf.setEnabled(true);
          repassf.setText(""); repassf.setEnabled(true);
          ok.setEnabled(true);
               check.setEnabled(true);
               }catch(Exception e)
          e.printStackTrace();
     if(ae.getSource()==ok)
          try
          String s1=idf.getText();
          String s2=loginf.getText();
          String s3=passf.getText();
     String s4=repassf.getText();
     int x=Integer.parseInt(s1);
     int t;
     if(type.getSelectedCheckbox()==admin)
          t=1;
          else
          t=0;
ResultSet rs=db.s1.executeQuery("select* from List");
               while(rs.next())
               if(s2.equals(rs.getString(2).trim()))
                    invlog.setBackground(Color.orange);
                    invlog.setLocation(250,150);
                    invlog.setSize(300,100);
               cancel.setEnabled(false);
ok.setEnabled(false);
check.setEnabled(false);
                    invlog.setVisible(true);
                    break;
               else
                    if (s3.length()<6)
                    less.setBackground(Color.orange);
                         less.setLocation(250,150);
                         less.setSize(300,100);
               ok.setEnabled(false);
                    cancel.setEnabled(false);
                    check.setEnabled(false);
                    less.setVisible(true);
else if(!(s3.equals(s4)))
                    mismat.setBackground(Color.orange);
                    mismat.setLocation(250,150);
                    mismat.setSize(300,100);
                    ok.setEnabled(false);
                    cancel.setEnabled(false);
                    check.setEnabled(false);
                    mismat.setVisible(true);
                    else
db.s1.execute("insert into User values("+x+",'"+s2+"','"+s3+"',"+t+")");
                    acucreat.setBackground(Color.orange);
                    acucreat.setLocation(250,150);
                    acucreat.setSize(300,100);
                    regis.setVisible(false);
                    acucreat.setVisible(true);
               }//else
          }//while
               } //try
          catch(Exception e1)
          // e1.printStackTrace();
          if (ae.getSource()==cancel)
          regis.setVisible(false);
          if (ae.getSource()==vok)
          ok.setEnabled(true);
               cancel.setEnabled(true);
check.setEnabled(true);
               valid.setVisible(false);
          if (ae.getSource()==iok)
          ok.setEnabled(true);
               cancel.setEnabled(true);
check.setEnabled(true);
               invlog.setVisible(false);
          if (ae.getSource()==lok)
          less.setVisible(false);
               cancel.setEnabled(true);
ok.setEnabled(true);
check.setEnabled(true);
          if (ae.getSource()==mok)
          mismat.setVisible(false);
               cancel.setEnabled(true);
ok.setEnabled(true);
check.setEnabled(true);
if (ae.getSource()==sok)
          acucreat.setVisible(false);
          ok.setEnabled(false);
               newu.setEnabled(true);
               regis.setVisible(true);
     public static void main(String args[])
     new Register();
-----------DBConnect.java------------------------------------
import java.sql.*;
public class DBconnect
Statement s,s1;
Connection c;
public DBconnect()
try
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          c=DriverManager.getConnection("jdbc:odbc:Sonal");
          s=c.createStatement();
s1=c.createStatement();
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     e.printStackTrace();
----------Login.java----------------
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class Login implements ActionListener
Frame log;
Label login,pass;
TextField loginf,passf;
Button ok,cancel;
Dialog invalid;
Button iok;
Register reg;
DBconnect db;
Main m;
Login()
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pass=new Label("Password :");
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     passf=new TextField(20);
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//log.setBackground(Color.cyan);
//log.setForeground(Color.black);
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cancel.setBounds(145,130,70,25);
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log.add(loginf);
log.add(pass);
log.add(passf);
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// log.add(newu);
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// newu.addActionListener(this);
cancel.addActionListener(this);
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log.setVisible(true);
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log.setVisible(false);
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else
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               invalid.setLocation(250,210);
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     if (a.getSource()==cancel)
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     invalid.setVisible(false);
     loginf.setText("");
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ok.setEnabled(true);
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-------------inquiry.java---------------------------------
import java.awt.*;
import java.awt.event.*;
import java.util.*;
import java.util.Date;
import java.text.*;
import java.sql.*;
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Frame inqry;
Label name,addr;
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Button ok,cancel,dok;
Dialog invalid;
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TextField rname,raddr,ward,rdate,cdate;
Date d;
DateFormat df;
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Dialog success;
Button rdok;
DBconnect db;
Inquiry()
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inqry.setBackground(Color.cyan);
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result.setLayout(null);
result.setBackground(Color.cyan);
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addrf.setBounds(120,100,80,25);
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     result.setVisible(false);
          public void actionPerformed(ActionEvent ae)
               if(ae.getSource()==ok)
               try
                         String nm=namef.getText();
                         String ad=addrf.getText();
                         inqry.setVisible(false);
                         ResultSet rs=db.s.executeQuery("select * from Billinformation");
                         while(rs.next())
                              String nm1=rs.getString(2).trim();
                              String ad1=rs.getString(3).trim();
                              int k=0;
                              if((nm1.equals(nm))&&(ad1.equals(ad)))
                         String adm=rs.getString(5).trim();
                         String wr=rs.getString(6).trim();
                         String bd=rs.getString(8).trim();
                              String wrb=wr+"-"+bd;
result.setVisible(true);
                              rname.setText(nm1);
                         raddr.setText(ad1);
                         ward.setText(wrb);
                         rdate.setText(adm);
k=1;
                              break;
                              }//if
                         else if(k==1)
                         invalid.setVisible(true);
                         }//while
}//try
                         catch(Exception e)
                         e.printStackTrace();
                    } //getsource ==ok
               if(ae.getSource()==cancel)
inqry.setVisible(false);
                    if(ae.getSource()==rok) //Result Window......
                    namef.setText("");
                         addrf.setText("");
                         result.setVisible(false);
                    inqry.setVisible(true);
if(ae.getSource()==rcancel)
result.setVisible(false);
                    if(ae.getSource()==dok)
                    namef.setText("");
                         addrf.setText("");
                         invalid.setVisible(false);
                         inqry.setVisible(true);
     public static void main(String args[])
          new Inquiry();
PLease Help me !!
I need this urgently.

can you explain what your program tries to do... and
at where it went wrong..Sir,
We are trying to make an project where we can make a person register in our data base & after which he/she can search for other user.
The logged in user can modify his/her own data but can view other ppl's data.
We are in a phase of registering the user & that's where we are stuck. The problem is that after the login screen when we hit register (OK- button) the data are not getting entered in the data base.
Can u please help me??
I am using "jdk1.3' - studnet's edition.
I am waiting for your reply.
Thanks in advance & yr interest.

CUSTOM REPORT PROBLEM - REP-1213

I am a student trying to complete a project. I developed a
"custom" report form which uses 5 tables to generate the report.
I have entered the 'fields' at various locations on the report
form and when I run the report I get the following error message:
"REP-1213: Field 'client_id' references column 'CLIENT_ID' at a
frequency below its group."
I have presented this problem to my instructor who does not have
a solution to resolve this problem for me. Is there a solution
for this? Or ... does Oracle not allow for 'custom designing'
of reports? How does someone develop a custom made invoice or
other report for a client without encountering these problems?
Anybody's assistance in this matter would be greatly appreciated.
BO
null

Here is some information that may be of help. This is straight
from Oracle. read the part on FREQUENCY ERRORS carefully.
You may also retrieve this document from:
otn home page --> support --> technicial bulletions -->
sql*reportwriter --> 9006913.61
P.S. reportwriter frames have kicked manny asses!!
Good luck.
Document ID: 9006913.61
Title: Understanding Frames
Revision Number 0
Product: Oracle Reports
Platform: GENERIC
Abstract: This document provides a better
understanding
of frames and the layering concept.
Also
discusses frequency errors.
Keywords: REPEATING;FRAME;VARIABLE;FIXED;EXPAND;
CONTRACT;FREQUENCY;
INTRODUCTION
There are two types of frames: Repeating frames and non-repeating
frames.
Each is a visual representation of actual 3GL code that underlies
the action
of fetching and printing the rows selected from tables.
Non-repeating frames
act as containers and can be mapped back to the pseudocode: BEGIN
and END.
Repeating frames are representations of the Fetch Cycle and can
be mapped to
the pseudocode: WHILE NOT END OF TABLE and END WHILE.
Graphically, frames are stacked one atop the other. This may not
be
immediately apparent. It is difficult to distinguish which frame
is beneath
another. A quick way to see the three-dimensional layering is to
change the
color of the frames. Make each frame a different color. This
will create a
three-dimensional effect as frames above will partially obscure
those beneath
it. You will also notice the layering structure when using the
object
navigator in Reports V2.5
NON-REPEATING FRAMES
Non-repeating frames are not record-related. They print as often
as the
object in which they are enclosed, or to which they are attached
by an anchor.
They do not have a print direction.
REPEATING FRAMES
Repeating frames are place holders for records. Repeating frames
print once
for each record of a group and control record-level formatting.
Reports will
generate one repeating frame for each group when you create a
default layout.
Reports will place containers of columns inside of the frames.
Each repeating
frame retrieves only one row in its fetch cycle for any one
repetition. Until
it is constrained by another frame, it will repeat itself until
the while loop
condition can no longer be satisfied.
VERTICAL AND HORIZONTAL SIZING
The Vertical Sizing of a repeating frame will default to FIXED if
all the
objects in the repeating frame are fixed. If the repeating frame
encloses an
object (e.g. field, frame) that grows, then the vertical sizing
defaults to
VARIABLE or EXPAND.
FIXED
If the Vertical Size of the frame is FIXED then the object's
height is the
same on each logical page, regardless of the size of the objects
or data
within it. Truncation of data may occur. The height of the
object in the
layout editor is the actual height of the object at runtime. No
special
symbol is indicated on the frame in the layout editor.
VARIABLE
If the frame's Vertical Sizing Attribute is VARIABLE and there is
nothing
below it, it collapses. For example, if it normally is four lines
long and
only one row is returned, then it will not print three blank
lines but will
actually collapse the output to one line. If you drag the
position of the
fields downward, the space above will not collapse because of the
IMPLICIT
ANCHOR. The object will expand or contract vertically to
accommodate the
objects or data within it. The height shown in the layout editor
has no
effect on the object's height at runtime. The vertical sizing
attribute
functions as if you used a combination of contract and expand. A
diamond
symbol is indicated on the frame in the layout editor.
EXPAND
If the frame's Vertical Sizing Attribute is set to EXPAND, it
will begin at a
minimum size defined by the frame, and will expand as necessary
to accommodate
more data or lines that exceed the length of the column. An
equal sign symbol
is indicated on the frame in the layout editor.
CONTRACT
If the frame's Vertical Sizing Attribute is set to CONTRACT, the
vertical size
of the object decreases if the formatted objects or data within
it are short
enough, but it cannot increase to accommodate larger data.
Truncation may
occur. A circle is indicated on the frame in the layout editor.
FREQUENCY ERRORS
You may receive frequency errors when a repeating frame is moved
or deleted,
thus changing the layering of the frames. Often, users may
attempt to correct
this error by adding the deleted frame back, but this does not
fix the
problem. The existence of the frame is not enough, even it is
does not
overlap other objects in the layout. The frame must also be in
the right
position within the hierarchy. In addition to recreating the
deleted frame,
you must push the new frame to the right layer using the ARRANGE
option on the
Layout menu.
If you move an object outside its native frame, then you must
enclose it
within a repeating frame to group it within the same loop.
Oracle Worldwide Customer
Support
null

Is it possible to create reports in 1 month without any experience?

I'm on a project where we need to make some custom reports in the span of about a month. I'm trying to figure out what is feasible for a person, with no reporting background but plenty of SQL experience,to handle in that time frame.
The format of all of the reports would be basically the same. We want a histogram next to a window where we can enter in some information, and the histogram would change dynamically. In another frame, we would have access to detailed data (ability to view the actual records).
Thanks,
Samir Patodia

Hi Samir,
You can look at the Building Reports manual for basic information on how to build reports:
http://otn.oracle.com/documentation/reports.html
For your particular case, output to portal may be appropriate. You may want to look at the Reports : Portal integration viewlets:
http://otn.oracle.com/products/reports/htdocs/getstart/demonstrations/index.html
At the same time, since you want end-user reporting and dynamic charts, you may want to look at the functionality offered by another Oracle product - Discoverer
http://otn.oracle.com/products/discoverer/index.html
Navneet.

Need to resize window to show all components !!

I created a simple java application but there is a wiered problem. Unless i resize or maximise the window, I am unable to see any component I added into it. What is the problem with my code.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class CdApp implements ActionListener
     //Frame and Panel:-
     JFrame cdFrame;
     JPanel cdPanel;
     static PreparedStatement val;
     static ResultSet result;
     int flag;
     //Buttons:-
     // Labels :-
     // Text Fields & Areas:-
     // Strings :-
     // Misc Components:-
     // The MainMethod :-
     public static void main(String[] args)
          CdApp cd_object1 = new CdApp();
          cd_object1.main_page();
     // Methods:-
     // Main Page:-
     void main_page()
          cdPanel = new JPanel();
          cdFrame = new JFrame("CD Catalog Manager ===> Sukrit Mehra!!");
          cdFrame.setSize(800,600);
          cdFrame.setVisible(true);
          cdFrame.getContentPane().add(cdPanel);
          cdFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);


can you cut and paste verbetim the following code into a CdApp.java file and compile it and run it and see if you can see a window 800x600 that displays "Hello I'm a JTextArea!" in the top middle to see if it displays without resizing?
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class CdApp implements ActionListener{
     JFrame cdFrame;
     JPanel cdPanel;
        JTextArea jta;
        public static void main(String[] args){
            CdApp cd_object1 = new CdApp();
            cd_object1.main_page();
     void main_page(){
            cdPanel = new JPanel();
            cdPanel.add(new JTextArea("Hi I'm a JTextArea!"));
            cdFrame = new JFrame("CD Catalog Manager ===> Sukrit Mehra!!");
            cdFrame.setSize(800,600);
            cdFrame.getContentPane().add(cdPanel);
            cdFrame.setVisible(true);
            cdFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        public void actionPerformed(ActionEvent ae){
}

Reports - Data source for repeating frames

Does anybody know if there is an alternative way to pass data to repeating frames than queries or ref cursors?
For example can I use a PL/SQL table as source for a repeating frame?

YES!!!, change the PRINT condition of your
panel field to ALL instead of FIRST.
null

I want to know when we issue truncate table statement in oracle .

i want to know when we issue truncate table statement in oracle .No log will be write in redo log .But we can recover data using flashback or scn.I want to know where is the actually truncate table statement log is stored in oracle database.Please explain me in detail step by step .

Hi,
I have truncated table after that i have restored that data.See below the example.I want to know from where it's restored.
From which log file it's restored.
create table mytab (n number, x varchar2(90), d date);
alter table mytab enable row movement;
Table altered.
SQL> insert into mytab values (1,'Monsters of Folk',sysdate);
1 row created.
SQL> insert into mytab values (2,'The Frames',sysdate-1/24);
1 row created.
SQL> commit;
Commit complete.
SQL> select CURRENT_SCN from v$database;
CURRENT_SCN
972383
SQL> select * from mytab;
N
X
D
1
Monsters of Folk
30-DEC-12
2
The Frames
30-DEC-12
N
X
D
SQL> set lines 10000
SQL> /
N X D
1 Monsters of Folk 30-DEC-12
2 The Frames 30-DEC-12
SQL> select to_char(sysdate,'yyyymmdd hh24:mi:ss') from dual;
TO_CHAR(SYSDATE,'
20121230 09:29:24
SQL> set timing on
SQL> truncate table mytab;
Table truncated.
Elapsed: 00:00:15.75
SQL> select * from mytab as of timestamp TO_TIMESTAMP('20121230 09:29:24','yyyymmdd hh24:mi:ss');
N X D
1 Monsters of Folk 30-DEC-12
2 The Frames 30-DEC-12
Elapsed: 00:00:00.28
SQL> insert into mytab select * from mytab as of timestamp TO_TIMESTAMP('20121230 09:29:24','yyyymmdd hh24:mi:ss');
2 rows created.
Elapsed: 00:00:00.01
SQL>

Oracle Web App Server performance problems

I am evaluating Oracle Web Application Server 3.0 and while
everything seems to work ok, the performance is noticeably
slower than Oracle Web Server 1.0 or 2.0. I have narrowed the
problem down to the access/execution time to a database
package. In other words, the PL/SQL code I have built does not
contain any Oracle SQL statements. The package simply builds a
small web page. If I had to guess, I would say it appears to be
related to either a log-in to Oracle (which does not take that
long in a ProC program) or excessive child process creation
overhead (other programs like Apache handle this just fine). I
created the package in the www_user account, set a virtual path
of /test/owa/ to access it and while the page displays
correctly, it takes about 12 to 13 seconds to do so.
I'm running Linux on a Dell 400 MHz Pentium II with 1 Gb of
ram. I have tried changing the cartridge configuration so that
it starts with 2 processes instead of the default 0. This
helped some after the first execution of the package (response
time went from 12 seconds down to about 7). I am running it
without security on the virtual path (I thought maybe that was
slowing things down). I tried setting the user sessions to true
(default was false) and setting a timeout of 1200. None of
these things helped (nor did they make it any worse).
On an old HP system (much slower SQLPlus response time than this
Dell system), web pages fly at a pretty good speed using PL/SQL
and version 2 of the web server. Except for the actual database
query time to perform SQL queries, pages display in subsecond
time frames; not 12 seconds.
Please give me some idea how to improve the performance.
Obviously, something is different with 3.0 than the older wrb
and server.
Thanks,
Bob
[email protected]
null

I am evaluating Oracle Web Application Server 3.0 and while
everything seems to work ok, the performance is noticeably
slower than Oracle Web Server 1.0 or 2.0. I have narrowed the
problem down to the access/execution time to a database
package. In other words, the PL/SQL code I have built does not
contain any Oracle SQL statements. The package simply builds a
small web page. If I had to guess, I would say it appears to be
related to either a log-in to Oracle (which does not take that
long in a ProC program) or excessive child process creation
overhead (other programs like Apache handle this just fine). I
created the package in the www_user account, set a virtual path
of /test/owa/ to access it and while the page displays
correctly, it takes about 12 to 13 seconds to do so.
I'm running Linux on a Dell 400 MHz Pentium II with 1 Gb of
ram. I have tried changing the cartridge configuration so that
it starts with 2 processes instead of the default 0. This
helped some after the first execution of the package (response
time went from 12 seconds down to about 7). I am running it
without security on the virtual path (I thought maybe that was
slowing things down). I tried setting the user sessions to true
(default was false) and setting a timeout of 1200. None of
these things helped (nor did they make it any worse).
On an old HP system (much slower SQLPlus response time than this
Dell system), web pages fly at a pretty good speed using PL/SQL
and version 2 of the web server. Except for the actual database
query time to perform SQL queries, pages display in subsecond
time frames; not 12 seconds.
Please give me some idea how to improve the performance.
Obviously, something is different with 3.0 than the older wrb
and server.
Thanks,
Bob
[email protected]
null

My data are not gettitng enterted in the data base

import java.io.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class Main implements ActionListener
Frame mainf;
MenuBar mb;
MenuItem List,admitform,inquiry,exit;
Menu newm,update;
Inquiry iq;
Admit ad;
Register reg;
Main()
mainf=new Frame(" Engg College V/S Mumbai University ");
     mb=new MenuBar();
     newm=new Menu(" New ");
     update=new Menu(" Update ");
     List=new MenuItem("List");
     admitform=new MenuItem("Admit");
     inquiry=new MenuItem("Inquiry");
     exit=new MenuItem("Exit");
newm.add(List);
               newm.add(admitform);
newm.add(inquiry);
               newm.add(exit);
          mb.add(newm);
          mb.add(update);
mainf.setMenuBar(mb);
               exit.addActionListener(this);
               List.addActionListener(this);
     inquiry.addActionListener(this);
     admitform.addActionListener(this);
mainf.setSize(400,300);
     mainf.setVisible(true);
public void actionPerformed(ActionEvent ae)
if (ae.getSource() == List)
          reg=new Register();
     if(ae.getSource()==inquiry)
     iq=new Inquiry();
if(ae.getSource()==admitform)
     ad=new Admit();
          if(ae.getSource()==exit)
     mainf.setVisible(false);
public static void main(String args[])
          new Main();
}

>My data are not gettitng enterted in the data
base
no real surprise to me.Can u please help me ??How? There's no connection and prepared staments anywhere in your code. Do you think the database will update itself automagically?

Connecting java to Excel

HI
Can anyone help me about the code.
I got the Exception:
Error while inserting to excel sheet!!!
java.sql.SQLException:[Microsoft][ODBC Excel Driver]Operation must use an updateable query.
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
public class InsertExcel
static JFrame frame;
static JPanel panel;
static JTextField textuserid;
static JTextField textfirstname;
static JTextField textlastname;
static JButton submit;
static JButton exit;
public static void main(String args[])
frame = new JFrame("Inserting to excel sheet");;
panel = new JPanel();
JLabel labeluserid = new JLabel("User id ");
JLabel labelfirstname = new JLabel("First Name");
JLabel labellastname = new JLabel("Last Name");
textuserid = new JTextField(20);
textfirstname = new JTextField(20);
textlastname = new JTextField(20);
submit = new JButton("Submit to Excel sheet");
exit = new JButton("Exit");
panel.add(labeluserid);
panel.add(textuserid);
panel.add(labelfirstname);
panel.add(textfirstname);
panel.add(labellastname);
panel.add(textlastname);
panel.add(submit);
panel.add(exit);
frame.getContentPane().add(panel);
frame.setSize(1024,100);
frame.setVisible(true);
frame.setDefaultCloseOperation(3);
submit.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
     try
          Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
          Connection con = DriverManager.getConnection("jdbc:odbc:population");
          PreparedStatement stat2 = con.prepareStatement("insert into [Sheet1$ (USERID,FIRST_NAME,LAST_NAME) values (?,?,?)");
          stat2.setString(1,textuserid.getText());
          stat2.setString(2,textfirstname.getText());
          stat2.setString(3,textlastname.getText());
          stat2.executeUpdate();
          JOptionPane.showMessageDialog(frame,new String("Successfully entered to excel sheet !!!"));
     catch(Exception e1)
          JOptionPane.showMessageDialog(frame,new String("Error while inserting to excel sheet !!! \n" +
e1));
exit.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent ex)
     System.exit(0);
Message was edited by:
lesbon

This works fine for me. Adapt it.
import java.sql.*;
public class ExcelInsert
   public static final String DEFAULT_DRIVER = "sun.jdbc.odbc.JdbcOdbcDriver";
   public static final String DEFAULT_URL = "jdbc:odbc:DRIVER={Microsoft Excel Driver (*.xls)};DriverID=22;READONLY=false;DBQ=";
   public static final String DEFAULT_PATH = "C:\\Documents and Settings\\Michael\\My Documents\\Projects\\Java\\Forum\\data\\ExcelInsert.xls";
   private static final String DEFAULT_SQL = "INSERT INTO [SHEET1$] VALUES(?, ?, ?)";
   private Connection conn;
   public static void main(String[] args)
      Connection c = null;
      try
         c = createConnection(DEFAULT_DRIVER, DEFAULT_URL+DEFAULT_PATH);
         ExcelInsert inserter = new ExcelInsert(c);
         String v1 = ((args.length > 0) ? args[0] : "foo");
         String v2 = ((args.length > 1) ? args[1] : "bar");
         String v3 = ((args.length > 2) ? args[2] : "baz");
         int numRows = inserter.insert(v1, v2, v3);
         System.out.println("# rows inserted: " + numRows);
      catch (Exception e)
         e.printStackTrace(System.err);
      finally
         close(c);
   public static Connection createConnection(String driver, String url) throws SQLException, ClassNotFoundException
      Class.forName(driver);
      return DriverManager.getConnection(url);
   public ExcelInsert(Connection conn)
      this.conn = conn;
   public static void rollback(Connection c)
      try
         if (c != null)
            c.rollback();
      catch (SQLException e)
         e.printStackTrace();
   public static void close(Connection c)
      try
         if (c != null)
            c.close();
      catch (SQLException e)
         e.printStackTrace();
   public static void close(Statement s)
      try
         if (s != null)
            s.close();
      catch (SQLException e)
         e.printStackTrace();
   public int insert(String a1, String a2, String a3) throws SQLException
      int numRows = 0;
      PreparedStatement stmt = null;
      try
         stmt = this.conn.prepareStatement(DEFAULT_SQL);
         stmt.setString(1, a1);
         stmt.setString(2, a2);
         stmt.setString(3, a3);
         numRows = stmt.executeUpdate();
      catch (SQLException e)
         e.printStackTrace();
      finally
         close(stmt);
      return numRows;
}%

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