Received the first recovery rescue using Oracle 12C as a production library. There are two business data file file headers damaged, other data files are all a September backup, under current conditions, hope we can help them recover the data in the business documentDatabase version Information
The code is as follows
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Sqlgt; select * from V$version;BANNER con_id--------------
Introduction
When you use WebClient to download remote resources, you often encounter URLs like this:
http://www.uushare.com/filedownload?user=iceseeid=2205188
http://www.guaishow.com/u/luanfujie/g9675/
We do not know whether this URL specifically represents a Web page, or a file of some kind.
Some URLs, though with an extension, may be the wrong extension, l
First, the content blocks all files (block size constraints), and then for each chunk constructs a separate UDP datagram for transmission, at the beginning of the application layer is its own definition of the header, there is block number, block length, block fingerprint and other metadata information, which facilitat
drive Mknod Kaka C 5 1, creating a Kaka block deviceSocket interface File: Mysql.sock, data connection between networks[Email protected] ~]# Ll/dev/logsrw-rw-rw-. 1 root root 0 June 17:45/dev/logS.Symbolic Link File[Email protected] ~]# LS-LD/ETC/INIT.Dlrwxrwxrwx. 1 root root One June 02:43/etc/init.d-Rc.d/init.d//l3.linux files can have no
When partitioning, each partition is a file system, and the block at the beginning of each file system is called a super block. Super blocks are used to store file system size, empty and filled blocks, their respective totals, and other such information. That is to say, when
Document directory
Is a block device driver a file system driver (FAL + FMD?
Is a block device driver a file system driver (FAL + FMD?
FAL, FMD, file system, device, Driver
This post was last edited by aggio You are confused.Is the bl
Original post see http://blog.csdn.net/shiwei0124/archive/2009/09/10/4538327.aspx
After posting on the csdn forum, I worked with people to solve the problem.
The post content is as follows:
First look at a piece of code:Static tchar based_code szfilter [] = _ T ("Map Files (*. txt) | *. txt | mapcfg files (*. txty) | *. txty | ");Cfiledialog DLG (false, null, null, ofn_hidereadonly | ofn_overwriteprompt ,/Szfilter, afxgetmainwnd ());Cstring strpath;Cfileexception E;// Determine whether to press
//// Author: Kill dragon microsoftxiao@163.com// Description: Based on the PE File Format Principle// 1. Add the CIDR Block tool based on the PE information Browser
# Include # Include # Include # Include Using namespace STD;
# Define safe_delete (p) {If (p )! = NULL) {Delete (p); (p) = NULL ;}}
Bool insertsection (byte * decbuf, struct _ stat St, char ** argv); // insert a blockBool fillzeroarea (
The ORA-00354 caused by a read-only rhel5.8 File System: upt redo log block header,
An rhel5.8 file system read-only caused by ORA-00354: upt redo log block header
Wed Jun 03 03:31:24 CST 2015 Thread 1 advanced to log sequence 396 (LGWR switch) Current log #3 seq #396 mem #0: /u01/app/oracle/oradata/orcl/redo03.logWed
Windows is a file type that is distinguished by extensionThere is no relationship between the file extension root file types in LinuxIn order to easily differentiate and be compatible with the user's habit of using Windows, we also use extensions to represent the types of files in Linux!Everything in Linux is
How can php accurately determine the extension of a remote file? The http response header is as follows:
Array
(
[0] => HTTP/1.1 200 OK
[1] => Content-Length: 345942
[2] => Content-Type: application/octet-stream
[3] => Server: Microsoft-IIS/6.0
[4] => X-Powered-By: ASP. NET
[5] => Date: Sun, 08 Dec 2013 05:44:39 GMT
[6] => Connection: close
)
There is no
In Windows, we often see small file icons. How does Windows know the types of these files? the original file type is determined by the file extension, generally, different extensions represent different types of files. Windows is very intelligent (after all, it is not a white meal). If a
Dumpe2fs/dev/sda3|head-n 30
DUMPE2FS 1.39 (29-may-2006)
FileSystem volume Name:/
Block size:4096
It says that my/file system block is 4k.
8.0K-RW-------1 root 3.9K Dec 22:08 anaconda-ks.cfg
4.0K-RW-------1 root 8 12:02 dead.letter
4.0K drwxr-xr-x 7 Root 4.0K may one 16:38 demo
16k-rw-r--r--1 root 12K Dec 22:08 Install.log
8.0k-rw-r--r--1 root 1.2K Dec 22:08 i
apk Extension File descriptionThe maximum limit for each apk file in Android market (Google Play Store) is 50MB. Suppose your program includes a large number of data files, once you can only put these data files on their server, when the user started the program to let users to download.These data files can now be uploaded directly to the Android market. When upl
Once rhel5.8 causes read-only file system ora-00354:corrupt Redo log block headerWed June 03:31:24 CST 2015Thread 1 advanced to log sequence 396 (LGWR switch) current log# 3 seq# 396 mem# 0:/u01/a pp/oracle/oradata/orcl/redo03.logwed June 19:05:48 CST 2015Thread 1 advanced to log sequence 397 (LGWR switch)--------- --------> can be seen from this place: sequence 397 for current redo log current log# 1 seq
Linux DD command parameters and usage details---Copy a file with a block of the specified sizeDate: 2010-06-14 click: 3830 Source: Unknown share to: The Linux dd command uses a detailedMain options for DD:Specify the number of digits at the end of the following character multiplied by the corresponding number:b=512, C=1, k=1024, w=2, Xm=number mif=FileEnter a file
Tags: des style color strong file for re CWe often see the following information in trace files produced in 10046. Represents the 8 blocks that the system begins when a block is waiting for a hash to read a file number. wait #6: nam= ' db file scattered read ' ELA = 438472 file
remainder is the terminal output.If you use the ext2 or ext3 file system, you may receive a warning message similar to the following, which comes from the E2fsck utility:e2fsck/dev/ in short readIf you see this message, the first thought might be that the main super block of the disk is corrupted. While creating the file system, MKE2FS has automatically created
Vnx oe Block R5.32 and vnx oe File V7.1Hardware enhancement overview (4)A new version is released for the vnx oe (Operating Environment) Operating Environment. The versions of the corresponding Block and File are vnx oe Block R5.32 and vnx oe
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