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also shrinks the space.c) For tables that use stand-alone table spaces, no matter how they are deleted, the fragmentation of the tablespace does not affect performance too much and there is a chance to process it.Disadvantages:Single table increased too large, such as more than 100 g.Conclusion:Shared tablespace has few advantages over insert operations. Others do not have a separate table space to perform well. When you enable stand-alone table spac
, because in the use of automatic repair software to rebuild partition table and extended partition table operation, the individual automatic repair software calculation is inaccurate, the partition table point and EBR rebuilt to a wrong location, And the location is just the original partition of the more important boot location or directory table, which caused great damage, so that the subsequent recovery of data more difficult even some
mistake.9, SQL Server2000, SQL Server2005, SQL2008 database master database is corrupted and cannot be resumed under normal operation condition. 10, SQL Server restore times consistency error, error 823 and other cases of data recovery, various error prompt database file repair11. Recoverable database damage caused by bad drive12. Can repair the database after the log shrinkage or sudden power outage13. Can recov
not the same, the system only on the 0-track file information to delete the standard. But the file itself has not been erased. Only the space occupied by the file is displayed as release in the system, and the next time you store the file on your hard disk, the system will give priority to the real blank area, and only after these areas have been used, will it overwrite the actual space occupied by the deleted file. In addition, even if the hard disk
Diskgenius to recover data is very simple, but do not guarantee that all data can be fully recovered, you can try. 1, we download a free version of "Diskgenius" on the internet, and then open the software, then find "restore the data of the letter, and then click" Restore files. 2, Diskgenius recovery
, Noinit,NAME = N ' zp-full database backup ', SKIP, Norewind, nounload, STATS = 10Go[code] View data: Note: This time we do a full backup Some data may have been accidentally deleted. Let's simulate: (assuming that the 1,2 data is deleted) Code highlighting produced b
used to refactor the title of a file manually, so we can at least use it to recover parts of the file. In most cases, data loss is not due to problems with the data itself, but to the file allocation table. An example of this is what you do when you delete a file. When you delete a file, the file is usually moved to the Recycle Bin. When you delete the file fro
non-routine recovery with Oracle Dul tool to recover data from drop-deleted Oracle data tables without backupDul to recover a drop object, you need to provide two information1. Table space to which the deleted table belongs (not r
Work vulgar good its prerequisite, to recover the data must have tools and software, here only simply said restore hard disk and U disk mistakenly deleted, mistakenly formatted photos, files, and hardware tools will not say. There are a lot of data recovery software on the web, functionally similar, these
" from: Author source : Ronli (Http://Ronli.cnblogs.com/)""Log Explorer" to view and recover database dataViewing and recovering data using Log ExplorerLog Explorer 4.1. Logs viewing tool available for SQL Server2005How to use:Open log Explorer--Attach log File--select SQL Server server and login method, Connect, and select Database--attach-> The log record is visible in the left dialog browse-> View log->I
First, download installation Jinshan data Recovery Open member free download "Data recovery", download completed after installation can be (if downloaded, you can ignore the first step). Second, start login data recovery Logon Data Recovery Third, select scan mode and recovery
First step: Download installation Jinshan Data recovery Open member free download "Data recovery", download completed after installation can be (if downloaded, you can ignore the first step). Step Two: Start logon Data recovery Logon Data Recovery Step Three: Select scan mode and recovered
Accidental deletion of files is a common data recovery failure. After the file mistakenly deleted how to recover the data is particularly important, first we need to understand that the file is deleted after the wrong deletion of the del
Tags: generate specified ant summary help snapshot purpose profit BSPOften site administrators for various reasons and operations, resulting in site data mistakenly deleted, but also did not do site backup, the results are overwhelmed, and even to the site operation and profit negatively. So this article we will share with you how to recover
recover the database at a time point or use other standard methods before the data is deleted. Therefore, there are many methods to restore Data in Oracle, and you can choose the scenario as needed. In MySQL, the data recovery options are relatively small. However, the redo
recovery of mistakenly deleted data. share the following steps for recovering with recovery for SQL Server : 1. Run Recovery for SQL Server 2. Click File > Recover in the menu to select the data file (. mdf) of the database to be restored 3. Next > Next, enter the Recovery Configuration interface and choose Cu
. However, in Oracle, if you have enabled the flash back function, the truncate data will be available. But in other words, the whole system is stopped by restarting, which may have a greater impact. If you do not use the flashback database, you can use the recovery uard to recover the database at a time point or use other standard methods before the data is
How can I recover the accidental deletion of Oracle Database Data ?, Delete oracle by mistake When studying the database, we only consider how to use database command statements with a learning attitude. We did not think about how to use database command statements. If a misoperation occurs at work, it may lead to irreparable losses. Today, we will take the oracle database as an example to describe how to
volume of IBDATA1 is too large, has reached more than 300 g, and then to expand the new ibdata, so I added a new sentence in the configuration file,Innodb_data_file_path =/old/ibdata1:296664170496m;/new/ibdata2:500g:autoextend:max:1000g Ib-logfile0 Ib-logfile1Transaction log ib_logfile, transaction log or redo log, default to Ib_logfile0,ib_logfile1 name in MySQL, can modify parameters manually, adjustOpen a few sets of logs to serve the current MySQL database, MySQL in order, circular write
Max_binlog_size = 100M Binlog-format = row If the binlog is not turned on, and the rollback SQL is not generated beforehand, it is really impossible to roll back quickly. For MySQL, which holds important business data, it is highly recommended to open binlog. Subsequently, install the Open Source Tool ps://github.com/danfengcao/binlog
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