Howto unlock a table in oracle when all sessions are close ...

but ... not commit or roollback has been made ...
Could I try to run any script for unlock the table or the row?
Thanks a lot

If a session is closed, by definition all transactions associated with that session must have ended, either by having the changes committed or rolled back. So the premise does not make sense.
If a table is locked, some session has that lock. If the session goes away, the lock goes away. If the lock is still there, the session must still be there.
Justin

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Can we change log_buffer parameter online e.g. when all users are working..

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Can we change log_buffer parameter online e.g. when all users are working.. ???
What is relation between redo buffer in sga and log_buffer parameter ?
SQL> show sga
Total System Global Area 3758096384 bytes
Fixed Size 1983152 bytes
Variable Size 553655632 bytes
Database Buffers 3187671040 bytes
Redo Buffers 14786560 bytes
SQL>
SQL> show parameter log_buffer
NAME TYPE VALUE
log_buffer integer 14338048
SQL>
SQL>
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I am hoping your Oracle Consultant know what he's talking about.
According to Oracle Performance Guide,
http://download-west.oracle.com/docs/cd/B19306_01/server.102/b14211/memory.htm#sthref654
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SELECT NAME, VALUE
FROM V$SYSSTAT
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Hello Sudharshan,
"Status can only be set when all originals are stored" Also I see that the model is not having Status in CAD VIEW.
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Collegues! Have you any idea?
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Hi,
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ALTER SYSTEM SET AQ_TM_PROCESSES=0;
ALTER DATABASE OPEN;
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Hi
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regards,
Hub
Edited by: Hub on Dec 10, 2008 1:22 PM

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import-module smlets
#Variable Setups
$SRCompleted = Get-SCSMEnumeration ServiceRequestStatusEnum.Completed$
$SRCompletedID = $SRCompleted.id
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$ACSkipped = Get-SCSMEnumeration ActivityStatusEnum.Skipped$
$SRClass = Get-ScsmClass System.WorkItem.ServiceRequest$
$ContainsActivity = get-scsmrelationshipclass System.WorkItemContainsActivity$
$SRReset = $False
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#if there are children (don't reset SRs that don't have activities)
if ($ChildRELs) {
foreach ($childREL in $ChildRELs ){
#Get Activity from child relation.
$ChildAC = (get-scsmobject -Id $childREL.TargetObject.id)
if (!($ChildAC.Status -eq $ACCompleted -or $ChildAC.Status -eq $ACSkipped -or $ChildAC.Skip -eq $True)) {
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if ($SRReset) { Set-SCSMObject $sr -Property Status -Value $SRInProgress }
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* Created on Jul 12, 2006 by @author Tom Jacobs
package tjacobs.ui;
import java.awt.Component;
import java.awt.Dialog;
import java.awt.Frame;
import java.awt.GraphicsConfiguration;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
public class ModalOnParentDialog extends JDialog implements ComponentListener,
          WindowListener {
     private Component mOwner;
     private boolean mParentOnly = false;
     public ModalOnParentDialog() throws HeadlessException {
          super();
          init(null);
     public ModalOnParentDialog(Frame arg0) throws HeadlessException {
          super(arg0);
          init(arg0);
     public ModalOnParentDialog(Frame arg0, boolean arg1)
               throws HeadlessException {
          super(arg0, arg1);
          init(arg0);
     public ModalOnParentDialog(Frame arg0, String arg1)
               throws HeadlessException {
          super(arg0, arg1);
          init(arg0);
     public ModalOnParentDialog(Frame arg0, String arg1, boolean arg2)
               throws HeadlessException {
          super(arg0, arg1, arg2);
          init(arg0);
     public ModalOnParentDialog(Frame arg0, String arg1, boolean arg2,
               GraphicsConfiguration arg3) {
          super(arg0, arg1, arg2, arg3);
          init(arg0);
     public ModalOnParentDialog(Dialog arg0) throws HeadlessException {
          super(arg0);
          init(arg0);
     public ModalOnParentDialog(Dialog arg0, boolean arg1)
               throws HeadlessException {
          super(arg0, arg1);
          init(arg0);
     public ModalOnParentDialog(Dialog arg0, String arg1)
               throws HeadlessException {
          super(arg0, arg1);
          init(arg0);
     public ModalOnParentDialog(Dialog arg0, String arg1, boolean arg2)
               throws HeadlessException {
          super(arg0, arg1, arg2);
          init(arg0);
     public ModalOnParentDialog(Dialog arg0, String arg1, boolean arg2,
               GraphicsConfiguration arg3) throws HeadlessException {
          super(arg0, arg1, arg2, arg3);
          init(arg0);
     private void init(Component c) {
          mOwner = c;
          addComponentListener(this);
          addWindowListener(this);
     public void componentResized(ComponentEvent arg0) {}
     public void componentMoved(ComponentEvent arg0) {}
     public void componentShown(ComponentEvent arg0) {
          doModalOp();
     public void componentHidden(ComponentEvent arg0) {
          doModalOp();
     public boolean isParentOnly() {
          return mParentOnly;
     public void setParentOnly(boolean b) {
          mParentOnly = b;
     public void setModal(boolean b) {
          super.setModal(b);
          //mModal = b;
          doModalOp();
     private void doModalOp() {
          if (mOwner != null) {
               mOwner.setEnabled(!super.isModal() || !isVisible());
     public boolean isModal() {
          return super.isModal() && !mParentOnly;
//     public boolean isParentModel() {
//          return mModal;
     public void windowOpened(WindowEvent arg0) {
          doModalOp();
     public void windowClosing(WindowEvent arg0) {}
     public void windowClosed(WindowEvent arg0) {
          doModalOp();
     public void windowIconified(WindowEvent arg0) {}
     public void windowDeiconified(WindowEvent arg0) {}
     public void windowActivated(WindowEvent arg0) {}
     public void windowDeactivated(WindowEvent arg0) {}
     protected void finalize() throws Throwable {
          super.finalize();
          removeComponentListener(this);
          removeWindowListener(this);
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          final ModalOnParentDialog d = new ModalOnParentDialog(jf1, "3");
          d.setModal(true);
          d.setParentOnly(true);
          JButton b = new JButton("Show");
          b.addActionListener(new ActionListener() {
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                    d.setVisible(!d.isVisible());
          jf1.setBounds(0,0,40,40);
          jf2.setBounds(40,40,40,40);
          jf2.add(b);
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          jf1.setVisible(true);
          jf2.setVisible(true);
          d.setVisible(true);
}

I fixed it
* Created on Jul 12, 2006 by @author Tom Jacobs
package tjacobs.ui;
import java.awt.Component;
import java.awt.Dialog;
import java.awt.Frame;
import java.awt.GraphicsConfiguration;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JFrame;
public class ModalOnParentDialog extends JDialog implements ComponentListener,
          WindowListener {
     private Component mOwner;
     private boolean mParentOnly = false;
     public ModalOnParentDialog() throws HeadlessException {
          super();
          init(null);
     public ModalOnParentDialog(Frame arg0) throws HeadlessException {
          super(arg0);
          init(arg0);
     public ModalOnParentDialog(Frame arg0, boolean arg1)
               throws HeadlessException {
          super(arg0, arg1);
          init(arg0);
     public ModalOnParentDialog(Frame arg0, String arg1)
               throws HeadlessException {
          super(arg0, arg1);
          init(arg0);
     public ModalOnParentDialog(Frame arg0, String arg1, boolean arg2)
               throws HeadlessException {
          super(arg0, arg1, arg2);
          init(arg0);
     public ModalOnParentDialog(Frame arg0, String arg1, boolean arg2,
               GraphicsConfiguration arg3) {
          super(arg0, arg1, arg2, arg3);
          init(arg0);
     public ModalOnParentDialog(Dialog arg0) throws HeadlessException {
          super(arg0);
          init(arg0);
     public ModalOnParentDialog(Dialog arg0, boolean arg1)
               throws HeadlessException {
          super(arg0, arg1);
          init(arg0);
     public ModalOnParentDialog(Dialog arg0, String arg1)
               throws HeadlessException {
          super(arg0, arg1);
          init(arg0);
     public ModalOnParentDialog(Dialog arg0, String arg1, boolean arg2)
               throws HeadlessException {
          super(arg0, arg1, arg2);
          init(arg0);
     public ModalOnParentDialog(Dialog arg0, String arg1, boolean arg2,
               GraphicsConfiguration arg3) throws HeadlessException {
          super(arg0, arg1, arg2, arg3);
          init(arg0);
     private void init(Component c) {
          mOwner = c;
          addComponentListener(this);
          addWindowListener(this);
     public void componentResized(ComponentEvent arg0) {}
     public void componentMoved(ComponentEvent arg0) {}
     public void componentShown(ComponentEvent arg0) {
          doModalOp();
     public void componentHidden(ComponentEvent arg0) {
          doModalOp();
     public boolean isParentOnly() {
          return mParentOnly;
     public void setParentOnly(boolean b) {
          mParentOnly = b;
     public void setModal(boolean b) {
          super.setModal(b);
          //mModal = b;
          doModalOp();
     private void doModalOp() {
          if (mOwner != null) {
               mOwner.setEnabled(!super.isModal() || !isVisible());
     public boolean isModal() {
          return super.isModal() && !mParentOnly;
//     public boolean isParentModel() {
//          return mModal;
     public void windowOpened(WindowEvent arg0) {
          doModalOp();
     public void dispose() {
          //setVisible(false);
          //doModalOp();
          if (mOwner != null) {
               mOwner.setEnabled(true);
          removeComponentListener(this);
          removeWindowListener(this);
          super.dispose();
     public void pack() {
          super.pack();
          addListeners();
     private boolean addListeners() {
          WindowListener[] listeners = this.getWindowListeners();
          if (listeners != null) {
               for (int i = 0; i < listeners.length; i++) {
                    if (listeners[i] == this) return false;
          addComponentListener(this);
          addWindowListener(this);
          return true;
     public void show() {
          super.show();
          addListeners();
     public void show(boolean b) {
          super.show(b);
          addListeners();
     public void windowClosing(WindowEvent arg0) {}
     public void windowClosed(WindowEvent arg0) {
          doModalOp();
     public void windowIconified(WindowEvent arg0) {}
     public void windowDeiconified(WindowEvent arg0) {}
     public void windowActivated(WindowEvent arg0) {}
     public void windowDeactivated(WindowEvent arg0) {}
     public static void main(String[] args) {
          JFrame jf1 = new JFrame("1"), jf2 = new JFrame("2");
          final ModalOnParentDialog d = new ModalOnParentDialog(jf1, "3");
          d.setModal(true);
          d.setParentOnly(true);
          JButton b = new JButton("Show");
          b.addActionListener(new ActionListener() {
               public void actionPerformed(ActionEvent ae) {
                    d.setVisible(!d.isVisible());
          jf1.setBounds(0,0,40,40);
          jf1.setDefaultCloseOperation(jf1.DISPOSE_ON_CLOSE);
          jf2.setDefaultCloseOperation(jf2.DISPOSE_ON_CLOSE);
          d.setDefaultCloseOperation(d.DISPOSE_ON_CLOSE);
          jf2.setBounds(40,40,40,40);
          jf2.add(b);
          d.setBounds(80,80,40,40);
          jf1.setVisible(true);
          jf2.setVisible(true);
          d.setVisible(true);
}

Howto unlock a table in oracle when all sessions are close ...

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