Help/updates doesn´t work

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• Select for update doesn't work for me

  I have a table that stores a set of numbers. These numbers, when used, should not be used again within 365 days. In addition, different process requesting a number should be split different numbers. Basically, a number must be used only once.

  Here's the code I used to allocate 100 numbers. It is supposed to select a line, try to lock it using 'UPDATES'. If he is able to select, I guess that it is available and update the LASTMODTM. It's impossible to choose, this means another process has locked, and I will try the next number.

  I've run 2 process running the code below together, expects that each process will get 2 unique series of numbers, but I'm left with exactly the same list of numbers for the two methods. I believe that SELECT for UPDATE is not working, that's why the two processes are able to choose the same line. Any advice for me?

  DECLARE

  v_nbr NUMBER_POOL. NBR % TYPE: = null;

  CNT INTEGER: = 0;

  v_nbrlist VARCHAR2 (32676): = ";
  

  BEGIN

  FOR x IN)

  SELECT THE ROWID RID

  OF NUMBER_POOL

  WHERE

  AND SYSDATE - LASTMODTM > 365

  ORDER OF LASTMODTM, NBR

  )

  LOOP

  BEGIN

  -To lock the line so that it be referred to the other application

  SELECT MAWB

  IN v_nbr

  OF NUMBER_POOL

  WHERE ROWID = x.RID

  FOR UPDATE NOWAIT.

  EXCEPTION

  -Impossible to line lock, this means that this number is locked by another process at the same time. Try the next nbr

  WHILE OTHERS THEN

  CONTINUE;

  END;

  UPDATE NUMBER_POOL

  SET LASTMODTM = SYSTIMESTAMP

  WHERE ROWID = x.RID;

  CNT: = cnt + 1;

  v_nbrlist: = v_nbrlist | ',' || v_nbr;
  

  IF cnt = 100 THEN

  DBMS_OUTPUT. Put_line (SUBSTR (v_nbrlist, 2));
  

  EXIT;

  END IF;

  END LOOP;

  END;

  TKS all for your advice. I solved my problem

  Sorry - but that does NOT solve your problem. It may "seem" to simple tests you run, but he does not take into account how locking and consistency reading actually works in Oracle.

  It turns out that the 2 process has no conflict each othe at all, because the select sql loop took 0.2 sec, while 100 loops completed almost instantly. So the 2 process select almost at the same time, when first completed the process select, he received 100 numbers in a very short period of time, until the 2nd process is to select always. When the arrival of select 2nd process, the first process had already finished and committed the change. That is why the 2nd process does not meet lock exception.

  Yes--but it's NOT the caue in the root of your problem. The problem is you are using TWO separate queries. The first request is to determine which rows to select, but it IS NOT lockingk these lines. This means that any other user can also select or even lock the rows that were selected only by the first user and the first query.

  To fix this, I simply added "AND SYSDATE - LASTMODTM > 365" for numbers used will not be selected. The select for update query will be raise exception and then continue the loop to try the next number.

  No - that will NOT fix the problem if you always use a separate SELECT statement for the first query.

  A query, even a SELECT query, establishes sthe YVERT point-in-time for the data. This query second "select for update" is still being used by lines that were selected only, but not locked, the first query. This means that an another session/user may have selected some of these same rows in their first query, and then run the second query before and even during your attempt to execute your second query.

  Tom Kyte shows, in the link I gave

  In addition, there are some "read consistency problems" here.

  The min (job_id) select where status = 0, which runs... It returns the number 100 (for example).

  Update us this line - but have not committed yet.

  Someone calls it, gets them min (job_id) select... you guessed it, 100. But they block on the update.

  Now commit you and you have 100. They have now released and - well - update the SAME row...

  for example: your logic does not work. You EF the same record N process sometimes.

  The solution is to LOCK the lines with the first query so that no other session can perform DML on these lines. SKIP LOCKED clause in 11g is what you use.

  See the example of Tom Kytes in its first reply in this thread;

  https://asktom.Oracle.com/pls/asktom/f?p=100:11:0:P11_QUESTION_ID:2060739900346201280

  Can you show how I can avoid using the QA and use SKIP LOCKED to elements of process simultaneously unpretentious? ...

  Suppose you want to get the first line of a table that is not currently locked and corresponds to a unique key - or otherwise (single would not make sense, he would have one - and this would be trivial to determine whether it is locked or not, without the 'skip locked', you would use just nowait).

  so the case of unique key is not remotely interesting, should not jump - needed ever - locked, just a nowait.

  You come to question and search, for example:

  OPS$ % ORA11GR2 tkyte > select empno

  
  scott.emp 2
  3 where job = 'CLERK '.
  4.

  EMPNO
  ----------
  7369
  7876
  7900
  7934

  OPS$ % ORA11GR2 tkyte >
  OPS$ % ORA11GR2 tkyte > declare
  l_rec 2 scott.emp%rowtype;
  slider 3 c is select * from scott.emp job where = 'CLERK' for update skip locked;
  4 start
  5. open c;
  6 retrieve c in l_rec;
  7. close c;
  8 dbms_output.put_line (' I got empno = ' | l_rec.empno);
  9 end;
  10.
  I myself empno = 7369

  See the 'for UPDATE SKIP LOCKED' in the definition of the cursor? Which LOCKS the lines that are needed AND causes code pass all lines which can already be locked instead of throwing an exception as NOWAIT would.

  Allows you to get some lines unlocked are available that meet your query and prevents the contention with other users.

  NOTE: there is only ONE query.

  Summary - This is your SELECT FIRST query that does NOT lock the lines are selected. It IS THE CAUSE of your problem. Your 'two query' solution ' will NOT work. Use the solution presented by Tom.

• Windows update doesn't work not, error code 8024A 000 - check forbut say never installed?

  Windows 8 States - error code 8024A 000, I never checked, when to check all the time. Also indicates the installed updates ever?  Am only computing base & do as it says, but does not work. It is a routine control, never had this problem, I don't get it, HELP

  http://Windows.Microsoft.com/en-us/Windows-8/Windows-Update-error-0x8024a000

  If you receive the Windows Update 0x8024a000 or 8024a 000 error when you use Windows Update, there is an automatic convenience store comes with Windows that might be able to solve this problem for you.

  To open the Windows Update troubleshooting tool

  • Open the Windows Update troubleshooting tool by hitting swipe in the edge right of the screen, tap Find (or if you use a mouse, pointing to the top right of the screen, move the pointer of the mouse down and then clicking search), entering the troubleshooting in the search box, touching or clicking on settings and then by typing or clicking on the resolution of the problems. Under system and security, tap or click Fix problems with Windows Update.

• Update doesn't work w / my OS, need download previous app through CC

  I am on Mac OS 10.8.5 and my App said CC was an update to LR. (BTW... NO MENTION THAT CHANGED THE TERMS of the OS) so I ran the update, LR does not work now. It says Error Please reinstall. Well to do this, I had to uninstall first. So I did, "(en gardant mon pref) reinstalled the same problem." Did not work.

  Thanks to some research I discover that he needs OS 10.9 >

  So now I need to go back and install LR version 1052427 and I can't see anyway to do within the CC app.

  How do I get there?

  THX

  Hi Martin,

  Please download and install Adobe Creative Cloud apps to download previous versions.

  Let us know if it helps.

  Kind regards

  Shelly

• Tecra M11 - T.BIOS'CEO update doesn't work is not for 3.20.0.0

  I am currently on BIOS version 2.90. EC version 1.90.
  I downloaded the package to update the BIOS to 3.20.0.0
  However, when I try to update I get the following error message...

  Error: Preparation of updated failed.
  You have not given permission to run the update.

  I am the administrator. I am running WIndows 7 Professional 64 bit.
  Model M11SAU1.

  I'm upgrade is because I hope that this will solve my problem of wireless USB headset. I have a plantronics. Audio 995 wireless headset with USB dongle that simply will not be installed by using standard windows drivers who told me that the manufacturer should work. This unit works very well on my other machine Win 7 64. Ironically, it also fits great under VMware with XP on my toshiba... but refuses to install natively?

  Answers to one of these popular questions ;-)

  > I'm upgraded is because I hope that this will solve my problem of wireless USB headset. I have a plantronics. Audio 995 wireless headset with USB dongle that simply will not be installed by using standard windows drivers who told me that the manufacturer should work.

  In my opinion, this has nothing to do with the BIOS and don't think that BIOS update is a solution for this...
  However, have you intsaller the VAP (value added package) for this model of laptop computer?

  As far as I know that this is necessary in order to update the BIOS!

  Also, make sure you have disabled any software Antivirus and other security software and options!

• Windows Update doesn't work (error code C0150004)

  Greetings,

  Yesterday I did a system restore on my computer to its factory settings, and now everytime I try to run Windows Update that I will meet a wall, in which every attempt to use Windows Update is filled with the message "Windows could not search for new updates" with an error code of C0150004.  I tried to manually install updates (SP1, for example), but the installer module keeps hanging and/or crashing on me.  I don't know what my options are at this point, except again once restore my computer to factory settings and hoping for the best (no restore points were created, so that the idea of dating as well).  Any help that could be provided would be greatly appreciated.  Thank you.

  truthless86,
  Please post with the information requested here: what to post in the Windows Update forum
  Start with these troubleshooting steps and post returns with the requested info and arises from the troubleshooting.

  Clean boot your PC, and then run Windows Update.

  Reset the Windows Update components

  Perform operations of KB883825 Mike - engineer Microsoft Support responses
  Visit our Microsoft answers feedback Forum and let us know what you think.

• Automatic Update doesn't work and get an error when you try to do it manually.

  The website has encountered a problem and cannot display the page you are trying to view. The options provided below might help you solve the problem

  This is what happens when the page loads.

  Hi NYDanielle,

  Try the steps below and let us know the status

  Method 1: Download and install the Windows Update Agent

  The following files are available for download from the Microsoft Download Center:

  For a computer x 86

  Collapse this includes this imagedownload the windowsupdateagent30 - x 86 .exe package now.

   

  For a computer x 64

  Collapse this includes this imagedownload the windowsupdateagent30 - x 64 .exe package now.

   

  Method 2: Register the Wups2.dll file

  1. click on the link, download and run the file http://go.microsoft.com/?linkid=9760028

  Method 3: You receive an error message "Windows Update has encountered an error and cannot display the requested page" when you try to install an update

  http://support.Microsoft.com/kb/883614

• Windows Update doesn't work not, error 0x824400A

  Original title: cannot use windows update!

  have tried us windows update to update an old Inspiron with windows xp family and I get the 0x824400A error message and I can't find any information on this! can someone please?  Also it is running windows service Pack 2 and I can't update the window 3.  Thank you

  Hello

  Remember to make changes to the computer before this problem?

  Follow these methods

  Method 1: Run the Microsoft fixit for the link.

  http://support.Microsoft.com/mats/windows_update/

  Method 2: You can also run a scan for viruses with Microsoft Safety scanner to make sure that the computer is free of viral infections.
  http://www.Microsoft.com/security/scanner/en-us/default.aspx
  Note: The Microsoft Safety Scanner ends 10 days after being downloaded. To restart a scan with the latest definitions of anti-malware, download and run the Microsoft Safety Scanner again.
  The data files that are infected must be cleaned only by removing the file completely, which means that there is a risk of data loss.

  Method 3:   Reset Windows Update components and check.

  How to reset the Windows Update components?
  http://support.Microsoft.com/kb/971058
  Note: To do: Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems can occur if you modify the registry incorrectly. Therefore, make sure that you proceed with caution. For added protection, back up the registry before you edit it. Then you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click on the number below to view the article in the Microsoft Knowledge Base:

  How to back up and restore the registry in Windows

  http://support.Microsoft.com/kb/322756

  
  Method 4: if the methods above do not help, I suggest you delete the edb.log file and check if that helps.
  Follow these steps:

  a. click the Start button, click computer.

  b. now, go to this site: C:\windows\softwaredistribution\datastore\logs\edb.log

  c. delete the log file, and then restart the computer and check the issue.

  Finally, you can install XP Service Pack 3.
  How to get Windows XP Service Pack 3 (SP3)
  http://support.Microsoft.com/kb/322389

• I did a restore of the system for Windows XP and I made updates to MS. I'm stuck now. I can't upgrade to SP3 and windows update doesn't work, get 0x8024400A error

  [Error number: 0x8024400A]

  The website has encountered a problem and cannot display the page you are trying to view. The options provided below may help you solve the problem. For self-help options: Frequently asked Questions Find Solutions Windows Update Newsgroup To support options: Microsoft online assisted support (no cost for Windows Update issues)

  Hello

  Have you made changes on the computer before this problem?

  Follow the below methods:

  Method 1:

  Follow the below the article that says how to resolve error: 0x8024400A.

  http://support.Microsoft.com/kb/836941

  Method 2:

  How to troubleshoot an installation fails on Windows XP Service Pack 3

  http://support.Microsoft.com/kb/950718

  Hope the above information is helpful.

• New updates doesn't work not just hangs

  When my "firefox updated" message comes up the bar shows the download going but then blocks just showing bars blue little - if left can go on for days without anything actually happening.

  Go to www.getfirefox.com and download Firefox 18.0.2

• New ITunes update doesn't work does not correctly on computer

  I had a version of itunes on my computer, it gave me the opportunity to upgrade to the latest version, but when finished installing it will open any

  Hello eldoxy24,

  Have you checked the article Apple listed here to see if this will help to solve your problem of iTunes.
  iTunes for Windows in Windows Vista does not open after upgrade - http://support.apple.com/kb/TS2363

  Please let us know if that helps.

  Sincerely,

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

• WIFI doesn't work does not correctly after driver update

  I have a DESIRE 4 laptop 1023tu with operating system Windows 8 PRO. My WIFI works does not properly after the update drievr.

  Problems...

  1. When you try to connect to a wifi hotspot the quick adapter turns off and allows the card instantly

  2. after connected, sometimes no internet access and the problem turns off only after reconnecting to the netwrok after setting off.

  If the update doesn't work not for you then do as I explained in my previous post and roll back to the previous driver. This philosophy can be applied to all updates.

  If there is no pressure or emerging reason to update to your PC or laptop works just great... do not update. (this is especially true when it comes to an update of the BIOS)

  For your question #2, the problem could be your wireless (modem, router or access point) which causes the connection dropped.

  Best regards
  ERICO

• Apple only in the App Store updates don't work/download

  Hi all

  It's a fairly persistent question.

  Only Apple updates just don't work-they don't start the download.

  After hitting "Update", the download status bar appears for about 2-3 seconds (download remains at 0%) and it "jumps" 'update '.

  All the other 3rd party App to update normal - no problems.

  Moreover, if for example, I download iTunes on the apple Web page manually and update manually, App Store recognizes that this = seems that verification of updates doesn't work.

  It was already a problem for 10.10 and persists in 10.11.

  Any help or suggestions are greatly appreciated.

  See you soon

  Mike

  From the Store menu, please select

  Search the unfinished downloads...

• Windows 7 Windows update does not work after replacing hard drive

  Win7 Home Premium and HP Pavilion DV6-2150US.  Failed hard drive.  I bought a Seagate 500 GB replacement (original drive was 250 GB) and used my purchased HP re - install DVD to re - build Windows and reinstall the OEM software on the new hard drive.

  Everything starts fine, but he won't deal of Windows updates (. e. is a big red X on the screen of windows update).  I tried Microsoft "Mr Fix it" download - but it error and none of the other suggestions Microsoft not work either.  When I had the chance to talk with a MS tech support person, she suggested that somehow windows on the new drive is not authentic, etc...  Although windows on the new drive hard indicates that its active and authentic... is there some kind of checking a number of the hard disk 'really' activate windows?

  Just to make sure that my reinstall was not corrupt, I deleted the new hard drive and began in everywhere... I have the exact same result... it boots fine, but will not update through windows update.  The only other change to the laptop was that I had better buy double the memory to 8 of 4 when I bought 2 years ago... once again, do not know if there is a kind of material exchange limitation before disabling the windows software.

  Help, please!  I'm really stuck.  THX JimmyC

  Thanks for your post... I solved my problem by installing the update driver Intel rapid storage through this link:

  http://support.HP.com/us-en/document/c02219204

  I suppose that as long as the hard drive is lower 250Gig you need not the new driver.  But when I replaced my hard drive failed with a disc 500gig hard - when I did restore HP to Win7 and the OEM software from the dvd, I bought - it put the storage driver original in Win7 - which works very well with a 250 GB drive, but causes the windows update doesn't work is not for readers more than 250gig.   When I installed the driver from the link above file, Windows Update started working - and you can imagine there are many, many fixes since my PC has been restored to original Win7 - doesn't not even Win 7 SP1.

  I hope it helps someone else... thank you for your message.  JimmyC

• Message "Non-genuine Windows" & Windows Update does not work after replacing the RAM.

  Hello

  I have a PC desktop HPE-170 a current running Windows 7 Home Premium SP1, which has been installed on the machine by the store where I bought it. It has been properly activated and has worked very well for 18 months or more.

  The other day it decided to not start and a computer savvy friend corrected the problem by removing the RAM memory cards, clean the gold plated connectors and re - insert the. This fixes the problem and it started again.

  Today I received a message on the computer of Microsoft saying "your copy of Windows is not genuine" and he invited me to "solve online. Well, click on the 'My Computer' icon showed me that windows was still active.

  By clicking on the "solve Online" link took me to a validation page, where after she tried to validation, it says "The Validation failed" and advised me to buy another copy of Windows 7 HP for AUD $149. Gee, thanks, but no thanks Microsoft. I clicked on cancel and the non-genuine message has not yet reappeared.

  I also found now that Windows Update doesn't work that way.

  I rang MS that says that I need the Windows 7 Setup disk. When I said that I don't have one, they advised me to ring HP. I didn't have time to complete the phone call from HP, but I believe that HP wants me to reset the system to factory with them State guide me by phone.

  I have a genuine copy of Windows, a product key, and it shows as activated.  From what I understand the system think that I tried to put my copy of Windows 7 on a new computer or similar? I'm not sure.

  Is it really difficult to get the system works just like before?

  Thanks for the reply.

  I'm afraid I don't understand your instructions. I think that you are a fair way waiting for me in the issues of tech savvy.

  I think I have stumbled upon something here; http://support.HP.com/us-en/document/c02219204

  Download and update this driver seemed to do Windows Update includes itself.

  I can now go here; realwww.microsoft.com/ /validate/ and he says: "Welcome to Windows".

  I hope I now get no more fake messages on my OS Windows is non-genuine.

  I'll see what happens tomorrow.

  Last update 18/7: seems to be fixed, no more problems.