If you want to restore and delete a table while using the DB2 database. What should I do? This document describes how to restore a table in DB2 for your reference.
Here we reprinted an operation to restore the table after the drop operation, similar to the flash back in oracle 10g.
DB2 stores backup, recovery, data loading, and table deletion operations in hist
Use log mining to restore accidentally deleted tables, data, and views from incomplete Oracle recovery
/*--------------------------
Prerequisites:
1. DB works in archive mode;
2. Prepare cold data files;
---------------------------*/
Col scriptForA80
Col SQL _REDOForA80
-- Concatenate the statement where to dig
Select'Exec dbms_logmnr.add_logfile ('''| Member |''')'AsScriptFromV $ logfile;
On the Java view, on the left "package Explorer", right-click on the item to be recovered, there will be a menu item, "Restore from local history (X) ...", English is "Restore from local ...", click this, a dialog box pops up, Oh, they're hiding here! corresponding to each deleted file to the right of the corresponding
In some cases, it is easy to accidentally delete the stored procedure. How can we restore the deleted stored procedure? Here we will explain it to you.
1.Create a test Stored ProcedureSQL> conn roger/rogerConnected.SQL> CREATE OR REPLACE PROCEDURE proc_test_drop23 BEGIN4 FOR x IN (SELECT sysdate FROM dual)5 LOOP6 DBMS_OUTPUT.put_line (x. sysdate );7 end loop;8 END proc_test_drop;9/
Procedure created.
SQL> s
First, go to the C: \ Users \ USERNAME \ appdata \ Local \ google \ chrome \ User Data \ default folder. Note: appdata is a hidden file.Find the bookmarks. Bak file. Under normal circumstances, the file is backed up a few days ago. rename this file as bookmarks to overwrite the bookmarks file to
The recycle bin stores deleted files. In fact, you can operate the recycle bin in DOS. The following describes how to operate the recycle bin.
1. Restore files in the recycle bin
Enter the command CD recycled at the DOS prompt to enter the C: recycled directory.
Run the Dir/a command to view the hidden files starting with DC, such as dc0.bat.
But we don't know what these files are, but we can view them
MicrosoftWord is that we use more than one software, and the degree of freedom of the software is also large, any user can be based on their preferences to change the settings of its parameters, including changes in Word's operating interface, mode of operation, unit of measurement and so on. There are more frequent changes to the menu of word, if you want to recover can be troublesome, generally use the following methods to recover:
1, remove common templates for Word
Because all of Word's se
Xun long hard disk data recovery software (mistakenly deleted file Recovery tool), is developed by the Xun Long studio, a powerful, good recovery data recovery software. The software can help you recover mistakenly deleted files, inadvertently formatted partitions, or because of the wrong ghost operation, error zoning operations such as the original cause of the
find the scn for table deletion in the log; 3. use a cold backup data file * When the database is shut down *. dbf, overwrite the current *. dbf file; -- ensure data file integrity 4. start DB to mount and restore to the time point of log mining (redo the data file once usi
Many users in the use of 360 security guards to clean up the computer, often because of carelessness or 360 identify problems, the important documents are cleaned together. Users familiar with the 360 security guards know that 360 of the files will not go into the Recycle Bin, when users use 360 to clean up the files, users are difficult to recover back. So. How should we recover from the 360 deleted files?
360 Remove
can see that one of the six features is a USB flash drive, and the camera card is restored. This function of the software can recover data of USB flash drives and memory cards lost for various reasons. The usage is also quite simple. Users only need to specify the storage media to be rescued, so that the program can search for it, then it can automatically restore the lost files or split the deleted files
importing MySQL internally will do the following things:A, check the consistency of each page in the Tablespaceb, update the space ID and LSN information for each pageC, Enable header page markup and update LSN to header pageThe D,page status information is set to dirty so that the page will be flushed to disk soonSpecificThird, the recovery in case of accidental deletionThis is only to discuss the recovery of deleted by the repository, if it is the
Delete USERS02.DBF, a newly added data file in table space USERS, and USERS03.DBF by mistake. No valid backup is found for both files during restoration. Ask data
Delete USERS02.DBF, a newly added data file in table space USERS, and USERS03.DBF by mistake. No valid backup is found for both files during restoration. Ask data
The customer said earlier that it delet
after the submission is completed), and the database was not backed up.
[Recovery Process:]The tool used is log‑e, (: http://five.ttdown.com/L/Log%20Explorer%20for%20SQL%20Serverv%20v3.21.KG.exe)
After installation, open Log Explorer File => attach log file-> Select Server and login mode-> connect->Select database> attach> browse> view log> In the left-side dialog box to view the log record,Click View D
Restore accidentally deleted oracle data files
Recovery Method for accidental deletion of oracle data files on the Linux platform simulates misoperations: the database is running normally and data files are directly rm. -- 1. test Environment: $ cat/etc/redhat-releaseCentOS release 6.5 (Final) select file_name from dba_data_files;/u01/app/oracle/oradata/orcl/test. dbf $ sqlplus/as sysdbaSQL * Plus: Release
In Unix/Linux, the most dangerous command is probably the rm command. Every time you use this command under root, I have to stare at the command line for a few minutes before I can press Enter. Previously, I saw my colleague use the rm command -- rm {$ App_Dir}/* in the script }/*. Because the script does not judge whether the variable $ App_Dir is null, the result is that during a root operation, the entire operating system will disappear. Fortunately, it is only a development machine. Since th
UnrmHttp://packetstormsecurity.com/UNIX/utilities/unrm-0.92.tar.gzA small tool actually uses the debugfs command in Linux, which simplifies the steps for manual use of debugfs,There is no interactive interface, and the recovered files are directly placed under a fixed directory.
According to this situation, the tools that are bulky and need to be installed are out of the Selection Range. I used unrmWithout damaging the data disk content, I put this tool down/boot to expand. Suppose we need to
Recycle Bin deleted pictures how to restore?
Easyrecovery
Easyrecovery Data Recovery Software is a powerful data recovery software, the recovery rate is extremely high, the use of the software, not only can be easily restored to empty the Recycle Bin files, you can restore your computer hard disk or U disk, TF card, SD card, mobile hard disk storage devices s
//exit
3. Re-reboot boot system into grub interface test
4. Find Find/grub/stage1 and then find/boot partition as (hd0,0), specify KERNEL,INITRD, boot boot system successful.
5. The system starts successfully, then enters the system to write the/boot/grub/grub.conf file again.
6.[root@localhost/]# vi/boot/grub/grub.conf configuration file is as follows:
Finally fill
I encountered some problems in learning hadoop over the past two weeks.
Today's question is how to restore the deleted datanode
At that time, because refreshNodes was not executed, the datanode was not started successfully.
The following error is reported:
ERROR org. apache. hadoop. hdfs. server. datanode. DataNode: org. apache. hadoop. ipc. RemoteException: java. io. IOException: verifyNodeRegistration
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