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oracle| Backup | notes | recovery | data Data backup Either way, the backup of the database is a backup of the data file/control File/redo file. 1, exp/imp Backup mode 2. Offline backup mode (offline Backup) 3, Online backup method (online Backup) 4, Standy mode of operation 1, exp/imp Backup mode (1) Order mode Can
ALTER DATABASE Create datafile causes the original data file to be lost We have a client with a small system to recover, after Oracle Database Recovery Check detection We found a strange phenomenon in the Red box section 1. The head of the file is fuzzy No, does not conform to the database unusual crash common sense, also and other files this state does not match 2. File creation time, S
Install and use data recovery software extundelete in CentOS 6.5 Install and use data recovery software extundelete in CentOS 6.5 I. Installation (1) first extundelete software depends on e2fsprogs e2fsprogs-libs e2fsprogs-devel Software Package (2) download extundelete, official website is http://extundelete.sourcefor
Have you ever handled the problem of data corruption or data loss on the hard disk? As a result, even though you are still in the process of diagnosing and analyzing the problem, the end user and manager have already contacted you and want to know the approximate time (ETA) for solving the problem. Do you want to have a simple and more important way to quickly diagnose and fix such faults? Continue to read
This is the data recovery case for a customer we've been working on recently, and the customer environment is windows,oracle version 9201. The database could not be opened because of a disk failure. After understanding, the customer in June on the fault, during the search for a number of manufacturers to recover, have not solved the problem. Finally, the customer recovered the business through an exp backup
Server Data RecoveryServers play an important role in modern business, whether they are Web servers, financial servers, mail servers, database servers, or virtual machine servers, and our daily life and business activities cannot leave behind these heroes.650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M00/82/1E/wKiom1dL_r_xnktyAAEgJLTgC28692.jpg-wh_500x0-wm_3 -wmp_4-s_1506726670.jpg "title=" Server data
With the application of servers more and more widely, server failure caused by Server data loss to enterprises and institutions and individuals bring significant losses, not only to make the server data loss this issue more and more attention, and make the server data recovery become a requirement.In SDII9000, for exam
The computer data recovery is the enterprise Big Data information security most has a protective line, when the enterprise data because of the human error operation, the hard disk hardware fault and so on data loss, the computer data
Document directory Data Recovery Password Recovery Hard Disk Partition tables or data loss is a headache. Fortunately, a considerable number of tools are available to restore data. I had the honor to experience testdisk, recover a partition table on the hard disk, and r
The two problems are: whether the backup and recovery policies are secure, that is, whether the database can be backed up in a timely and accurate manner. The second is to consider the high efficiency of the DB2 data backup and recovery solution. If it takes several hours to back up or recover a DB2 database, the backup and r
Missing partition data recovery method? Partitions on a computer are often lost because the hard disk partition table is corrupted or tampered with, so that the operating system cannot find and display the partition based on the record information in the partitioned table, and the partitioned data storage area may not be compromised. Therefore, to recover the
Mac data Recovery software easyrecovery use tutorialFile loss is very frustrating! Because there is no backup, so many important things have no way to get back! Small series for everyone to prepare the easyrecovery, this data recovery software is very useful, you can retrieve your lost
U disk is our daily work in the common use of storage tools, at the same time, U disk often trouble is also a problem that puzzles everyone. How to do u disk data recovery? This problem is very important in the use of U disk. u disk data Recovery First step: copy u disk data
This paper mainly describes how to improve the DB2 data backup and recovery efficiency of practical steps, in the design of data backup and recovery scenarios, we mainly consider two aspects of the problem.The first is whether the backup and recovery strategy itself is safe,
After Incomplete recovery, the database may not meet the recovery requirements. At this time, the database has been opened in the resetlogs mode. If the database is not fully backed up before Incomplete recovery, at this time, I want to restore some data of the last incarnation. In this scenario, I need to perform inca
• Describes the options for restoring data faults • use the new RMAN data repair command to perform the following operations: -List faults-receive repair suggestions-repair faults • Perform preventive fault checks • query the data recovery guidance View Data fault repair
/*The flashbackup of 11g is divided into several kinds, which are different in use.A.flashback database Flashback, the simple idea is to flash the database back to a previous point in time,The earliest SCN that can be recovered depends on the earliest SCN recorded in the flashback log.B.flashback drop recycles the database table for recovery after the table has been accidentally drop. Recycle Bin similar to Windows.C.flashback Query Flashback table re
[Data recovery failure description] An important MySQL database server, 146GB*2,RAID1, about 130GB data volumes, stores approximately 200~300 databases. At ordinary times, the administrator for each database dump, directly compressed into the. GZ package, and then all the important. GZ package together to compress into a total. tar.gz package, these files are ge
In daily operations, backup of MySQL database is crucial! The importance of the database to the website makes our management of MySQL data not be lost!Then, it is inevitable that people will make mistakes, maybe one day the brain short-circuited to a wrong operation to delete the database, how to do???The following is a description of the recovery scenario after the MySQL database was mistakenly deleted.Fir
Tags: mysql database data backup data transactionBackup/Restore Policy:1. Do a regular MySQL backup and consider the recovery time that the system can afford.2. Make sure that MySQL opens Log-bin, with Binarylog,mysql to do full recovery when necessary, or point-in-time recovery
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