overwritten data recovery

In a reptile combat, you need to add the dictionary to the list, the unexpected situation appeared!!! The following is a brief analysis of the situation:1List = []2DIC = {}3 forIinchRange (5):4dic['Num'] =I5 list.append (DIC)6 Print(ID (DIC))7 Print(list)81366520969136652096Ten136652096 One136652096 A136652096 -[{'Num': 4}, {'Num': 4}, {'Num': 4}, {'Num': 4}, {'Num': 4}]The results were unexpected, not what we thought was simple.[{' num ': 0}, {' num ': 1}, {' num ': 2}, {' num ': 3}, {' nu

damaged. The most serious issue is to reinstall the Oracle System and import the dmp file. This not only damages the file system metadata zone, but also overwrites the user data zone. Step 3: analyze the NTFS file system of the D Drive: It is found that the MFT of all the original oracle data files is overwritten, And the NTFS logs are also

dataAfter the data has been mistakenly deleted, the first time to do is to unload the deleted data on the disk or disk partition, if the system root partition data is mistakenly deleted, you need to enter the system to a single user, and the root partition in read-only mode mount. The reason for this is simple, because after deleting a file, simply zeroing out t

Category of Hard Disk faults Since the birth of computers, data recovery has gradually matured along with the development of computers. In today's information age, data recovery is even more important. Modern data recovery technol

allow the database to continue to function properly(b) Analysis of RAID group structureThe client server has a total of 7 300G hard disks, of which 2 drives are RAID 1, which installs the operating system, and the remaining 5 drives do RAID 5 storage data.Analyze the structure of RAID 1 and RAID 5, and reorganize virtual out RAID 1 and RAID 5 to see the data.(c) Analysis of raw database filesBecause the client has made multiple database

00000000 00000000 0000000000000000 00000000 00000000 00000000 00000000 00000000 00000000 0000000000000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000After the modification, we will restore the data file again: SYS@orcl11g>startupORACLE instance started.Total System Global Area 417546240 bytesFixed Size 2213936 bytesVariable Size 318769104 bytesDatabase Buffers 92274688 bytesRedo Buffers

On the network will often see similar to the USB flash drive deleted file recovery software introduced, then the U disk phone mistakenly deleted files recovered back or not, what should be seen what elements? It depends on several conditions:1 Apply the appropriate data recovery software. 2 size and type of data to be

data Recovery Software How to use the top data recovery software? Many people in the use of computers, will encounter errors in computer files or data. And a lot of top data recovery so

situation supports most file types such as Office documents, audio and video files, photo photos, and so on. It should be noted that most commonly used file types are supported, but not all. In the third case, the file system is not NTFS, it is not FAT32, it is not a exfat or the device appears "unformatted" under Windows or the first two cases do not find the file. In this case, the Plan B recovery software supports restore by file type. Therefore,

I. fault description of RAID data recovery Fault descriptionThe total storage space of hp fc msa2000 is composed of eight 450 gb sas hard disks, of which seven are a RAID 5 array, and the remaining one is used as a hot backup disk. Two hard disks are damaged in the RAID 5 array, and only one hot spare disk is activated successfully. As a result, the RAID 5 array is paralyzed and the upper-layer Lun cannot b

Introduction to Data Recovery Wizard The Data Recovery Wizard is a powerful, easy-to-use data recovery software. The data recovery process

Label:A Beijing real estate company, an HP Dl380g7 server, because of physical damage to multiple disks, resulting in raid crashes, data loss. The HP Dl380g7 server runs a Kingdee EAS system with a background of more than 40 GB of Oracle database, and the database data is very important. The HP Dl380g7 server is plugged into 8 146GB SAS disks, and each 4 disk has a set of RAID5, and a total of two sets of R

Tags: presence extraction using a contiguous VMFS storage space is data lossNow, with the advent of virtualization technology, many enterprises are starting to use virtualization technology. The principle of virtualization technology is to virtualize the hardware to different virtual machines. That is, a physical machine can have more than one virtual machine. However, if the physical machine fails or the storage server fails, the upper-level virtual

The simplest Oracle data recovery select as of usage, oracle Data Recovery You perform a Flashback Query by using a SELECT statementwith an as of clause. you use a flashback query to restrieve data as it existed at some time in the past. the query explicitly references a pas

Oracle table data recovery and oracle Data Recovery When you accidentally delete data in a table for table data recovery, you generally do not need to operate on the table any more. Yo

The customer sent a piece of Seagate st380011a hard disk for data recovery. The fault is that the disk is not recognized or knocked on the disk. Next we will follow the data recovery senior engineers to learn how to repair the data while protecting the