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
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
Linux as an enterprise-Class server, the security of data is critical, any data del lost and mistakenly deleted are not tolerated! Recently I contacted a software-ext3grep, it can restore the data mistakenly deleted, the following is a brief explanation of the software. recovery principle of Ext3grepUsing Ext3grep to recover files is not dependent on a specific text format. The first step is to get information about all the files under the current fil
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
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 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
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Label:How to deploy Rstudio server on a Linux server, configure ODBC after you remotely access SQL Server through the RODBC package background: before writing an article that mentions the recent deployment of Rstudio server (building the analytics environment for the data Analysis Team), it took one weeks to set it up.
PHP is a scripting language that requires the PHP interpreter to parse and run PHP files. When PHP is used as a CGI service Web request, it needs to be embedded in some kind of Web server, most commonly integrated into Apache or IIS, that is, before using PHP, you need to install Apache or IIS, and correctly configure them and PHP integrated parameters. Although this configuration is already very prescriptive and the documentation is very rich, we oft
Platform Description: Two SQL SERVER2005 servers with two identical databases installed on top of each otherRecently, because of the project needs, you need to copy the database on one of the servers on a database on another server, after a lot of Google has finally finished, here to do a detailed record, hoping to help everyone and themselves.One, the first step: SQL Add serverFirst, we need to connect to another
Many corporate LANs now have their own file servers for storing or sharing files for use by local area network users. However, in the process of setting up shared file access, it is common for shared files to be randomly copied, modified, or even deleted, which makes the security management of shared files face a greater risk. How can you make it possible for users to access shared files and prevent improper operation of shared files? I think that can be achieved through the following two ways:
The difference between Linux server and Windows ServerWhat are the advantages of using Linux as a server versus Windows Server?First, the average failure time is less, and as long as it is configured and used properly, the average failure of Linux (which requires shutdown or restart) is more than a year,Restarting maintenance once a year isn't too much, is it? Ca
---- Set a non-primary key to clustered index [Step 4] to: http://king123654789.iteye.com/blog/1169191
1. View All indexes. Clustered indexes are created on the primary key by default.Sp_helpindex person
2. -- delete the primary key constraint and remove the index constraint on the primary key queried in [1], for example, PK _ person _ 117F9D94. Remove the primary key constraint from the primary key field. This field is not the primary key.Alter table person drop constraint PK _ person _ 117F9
In many cases, we need to write a script to schedule some tasks so that it can work on a regular basis.
After the build 1219 of Ux_pax, this feature was started to be supported. Specific as follows:
Under the Ux_pax directory, create a subdirectory named Cronlist
Edit two scripts, one named On_minutely.pas, the other named On_hourly.pas,
Represents execution once per minute and once per hour, respectively.
The script for timed tasks is run according to Cmd-line mode. Predefined variables i
The IIS Server Load balancer ARR routes requests to the ARR server and the processing server. The Server Load balancer arr
. Net web uses the iis arr (Application Request Route) technology to achieve high web performance, high reliability, scalability, and load balancing. For more information about how to use ARR, seeI
Project background:
Read more than write, about 4:1 of the proportion bar, the user is more than million, concurrent 4000 or so (can be high can be low, high to 10K, low 1K)
the performance of several servers is similar, and load balancing can be evenly divided to each server
I'm letting them face the user directly from one to the other through load balancing (that is, ABCD can be accessed directly).
or let them do their own thing. (
Web server, Application server, HTTP server differencesWhat is the difference between a Web server, an application server, and an HTTP server? What kind of server IIS, Apache, Tomcat, W
Clearly explains the differences between Web servers, application servers, and HTTP serversReprinted from Http://www.cnblogs.com/zhaoyl/archive/2012/10/10/2718575.htmlWhat is the difference between a Web server, an application server, and an HTTP server? What kind of server IIS, Apache, Tomcat, Weblogic, WebSphere all
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