SQL Server, if the data is mistakenly deleted, according to the official statement, SQL Server is not undelete. To save the deleted data, the most typical way is to restore the data from another DB and then add it back to the formal db by restoring the backup file to another db.However, if the transaction log structure of SQL Server is known to the person, as long as the transaction record is still, you can parse the transaction record to obtain the d
MSD System Detection
[applicable occasions] used to check system information
[Usage] 1. C:\>MSD return to see the following screen, add a note next to each option, tableShows the function of the button
2. Select the items you want to query, such as selecting the first Computer, a dialog box will pop upDisplays some basic information about the computer. You can try other options to see what's the use.
3. After pressing ALT+F to activate the Pull-down menu, select "Exit" to exit.
MSD: System Detection
[applicable occasions] used to check system information
Usage
1. C:\>msd
Return to see the following screen, add a note next to each option, indicating the function of the button
2. Select the items you want to query, such as selecting the first Computer, a dialog box will pop up to display some basic information about your computer. You can try other options to see what's the use.
3. After pressing ALT+F to activate the Pull-down menu, select "Exit" to exit.
Undelete Plus can quickly and effectively restore accidentally deleted files, including files cleared from the recycle bin, deleted from the DOS window, network drive, and files deleted by the Shift shortcut key of Windows Explorer. supports FAT12, FAT16, FAT32, NTFS, and NTFS5 file formats.
Undelete Plus allows the following tasks to be completed MED:-Recovery of deleted files from NTFS/NTFS5, FAT12/FAT
SCO OpenServer supports versioning filesystems (undelete), but the default does not turn on this feature, the following are the specifics:
1) Select Hardware/kernel Manager in Scoadmin, select filesystem configuration,
Set Maxvdepth to a value other than 0 (n= How many previous versions are saved, consider disk space when setting a larger number)
Set Minvtime (number of seconds to wait before file versioned)
2) Recompile (relink) kernel;
3 Reboot
existing and deleted files, which contain the D-ID that the file has been deleted. You can get the path information for the file to be recovered by using the following command:[Email protected]/opt]# Ext3grep/mydata/disk1 --dump-namesRecovering deleted dataThe single File Recovery command is as follows:[Email protected]/opt]# ext3grep/mydata/disk1 --restore-file ext3grep.txtThe recovered files are stored in the/opt/restored_files directory.The command to recover all deleted data is as follow
Undelete Plus can quickly and efficiently recover deleted files, including emptying from the Recycle Bin, removing DOS windows, network drives, Windows Explorer's shift shortcut, and deleting files that can help you find them. Support Fat12/fat16/fat32 /NTFS/NTFS5 file format.
Undelete Plus allows the following tasks to be performed:-Recovery of deleted files from NTFS/NTFS5, fat12/fat16/fat32 volumes.-R
-directory name is added after del, all the files under the sub-directory (except hidden. system. Read-Only files) will be deleted,
Add/p to confirm.
VII. undelete [name]/au
Restore all files that meet the conditions (which can be recovered) without prompting, and set the initial letter to "#". If
If yes, add it in the order of "# % 0 1 2-9 a-z.
For example, undelete *. dbf/au restores all files with the e
subdirectories are copied together. Note: If this subdirectory does not exist on the destination disk, the target
The Terminator of the disk does not end with "\", you will be prompted:
Does destination specify a file name or directory name on the target
[F=file,d=directory]?
Create a file on the target disk [press] or create a subdirectory [press d]? d key should be selected
XCOPY[/V] with more tests
*:(1) xcopy does not copy system and implied files, it should modify the attributes befo
of technology, most of the Linux distribution does not use this file system now , such as Redhat and Fedora are mostly recommended to use EXT3, Ext3 file system is developed by the ext2. For Linux Novice, we still recommend that you do not use Ext2 file system, ext2 support undelete (undelete), if you delete files by mistake, sometimes can be restored, but the operation is more troublesome; ext2 support la
drive letter, the/u parameter is used. unformat will "assume" that the disk does not have the mirror image file.
Note: unformat can be completely restored for the disk that just formatted. However, if other data is written after format, unformat cannot be completely recovered. Unformat is not omnipotent. Because unformat is used to recreate the fat and root directories, it is also highly risky. Improper Operations may increase the loss. If only a few files or subdirectories are accidentally del
will pop up to display some basic information about your computer. You can try other options to see what's the use.
3. After pressing ALT+F to activate the Pull-down menu, select "Exit" to exit.
Undelete Recovery of deleted files
[Applicable occasions] when you accidentally delete the wrong file, it can be used.
DOS deletes the file, only removes the file from the allocation table, deletes the first letter of the filename in the disk storage area
"assume" that the disk does not have the mirror image file.Note: unformat can be completely restored for the disk that just formatted. However, if other data is written after format, unformat cannot be completely recovered. Unformat is not omnipotent. Because unformat is used to recreate the fat and root directories, it is also highly risky. Improper Operations may increase the loss. If only a few files or subdirectories are accidentally deleted, you only need to use
, then, the isdel = true record is not displayed on the interface.CopyCode The Code is as follows: theoretically, it is acceptable if it is not compressed. Try this code. Added to the access moduleRestore the worksheet (not deleted)Public Function fnundeleteobjects () as BooleanOn Error goto errorhandler:Dim strobjectname as stringDim rstables as Dao. recordsetDim dbsdatabase as Dao. DatabaseDim tdef as Dao. tabledefDim qdef as Dao. querydefDim intnumdeleteditemsfound as integerSet dbsdatabase =
follows:
If not yet compressed theoretically can. Try this piece of code. Add to access Module
Restore the erased worksheet (not compressed)
Public Function fnundeleteobjects () as Boolean
On Error GoTo ErrorHandler:
Dim strObjectName as String
Dim Rstables as DAO. Recordset
Dim Dbsdatabase as DAO. Database
Dim TdeF as DAO. TableDef
Dim Qdef as DAO. QueryDef
Dim Intnumdeleteditemsfound as Integer
Set dbsdatabase = CurrentDb
For each tdef in Dbsdatabase.tabledefs
' This is
subdirectory
C:>rd C:kamdytest
If you delete the next folder named Kill in D disk rd/s/q d:kill OK.
/s In addition to the directory itself, all subdirectories and files under the specified directory are also deleted to remove the directory tree.
/q Quiet mode.
/s does not require confirmation when deleting a tree.
If you mistakenly delete the file, you can use the undelete command to restore, below, let me introduce this command.
V. Restore DE
still wondering whether the situation can be recovered. As you know, Unix like systems are hard to be like M $.The system is the same. When undelete is implemented, all network administrators have repeatedly warned us to be careful! Be careful! Before downgradingThink twice, and then regret it. Although I have been thinking twice about downgrading my archive, this was a mistake.It was scheduled by the system in the background. When I found out the ca
: Deletes the specified file.
2. Type: Internal command
3. Format: del[Letter: [path]〈 filename 〉[/p]
4. Instructions for use:
(1) using the/p parameter, the system asks if it really wants to delete the file before deleting it, and automatically deletes it if you do not use this parameter.
(2) The command cannot delete a file with an implied or read-only attribute;
(3) The wildcard character can be used in the file name;
(4) To delete all files on the disk (del* * or del), you will be pro
the recovery data file must be the corresponding table space offline or shut down the database, which will inevitably affect the online business
To think about it, the database process reads and writes data files, using file descriptors (hereinafter referred to as FD) to manipulate the corresponding data files on the hard disk. Since these mistakenly deleted data files can also be read and write in memory, through the FD operation files, and the data files of these mistakenly deleted itsel
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