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Questions tagged [data-recovery]

DO NOT USE THIS TAG if your question is about recovering data you lost on your device. Only use this tag for programming issues related to data recovery. Data recovery is a process of salvaging inaccessible data from corrupted or damaged storage when the data cannot be accessed in a normal way.

342 questions
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How to recover deleted java files on a mac?

Using Eclipse I accidentally deleted the wrong folder on my file system and lost hundreds of java files on my mac yesterday. I am using a second mac to connect to my mac via firewire. My mac appears as an external disk on the second mac. I am…
Alex Ryan
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MySQL tables gone after deleting ibdata1

A couple of days ago I couldn't get mysql to run anymore(xampp) after some googling I found this post: XAMPP - MySQL shutdown unexpectedly It said to remove the ibdata1 file which I did, mysql starts again but the tables of one database are gone,…
JustaN00b
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How can I undelete a file using C#?

I'm trying to find some lost .jpg pictures. Here's a .bat file to setup a simplified version of my situation md TestSetup cd TestSetup md a cd a echo "Can we find this later?" > a.abc del a.abc cd.. rd a What code would be needed to open the text…
Fred
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CockroachDB how to restore a dropped column?

I accidentally dropped a column. I have no backup set up for this single node setup. Does cockroach have any auto backup mechanism or am I screwed?
Patrick
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Recover data after partition format f2fs

I've accidentally format partition that was containing postgresql data. I realized quickly what I have done and haven't make anything more with this drive, so the data are untouched (I hope). The partition was f2fs type. I have made image of entire…
Ignacy Niwald
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ERROR 1030 (HY000): Got error 168 from storage engine

Had a drive crash and recovered my mysql databases from backup. One table didn't make it and I deleted it and its associated files. (InnoDB table.) The table name was "filescan" and there are now no files in the data directory with that root…
Mark Johnson
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In Log-Based Recovery why do we redo committed transactions?

The log is a sequence of log records, which maintains information about update activities on the database. Whenever a transaction starts, reads, writes or commits it registers itself in the log with its particular action. So now when recovering from…
Raj Shah
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Hard drive reads and writes without file creation

There are programs out there that recover deleted files from the hard drive and also ones that overwrite free space in order to prevent deleted files from being recovered. The act of overwriting free space seems understandable. The program creates…
Dziugas
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How recover sybase database (unknown db version)

I have a database file (*.db) that need to be recovered. The bad is, the end-user have null idea of the version of the database. Not know the password. The original developer is lost. The computer where was installed was formatted. We have not…
mamcx
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Recovering Database after deleting .ldf file

I have deleted the .ldf file. But after that I am unable to recover database. I have tried to detach and attach database but it is throwing exception. “The database [dbName] is not accessible. (ObjectExplorer)” I have also tried to create a new…
user3208036
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How can i recover deleted data from sqlite?

I want recover deleted record and dropped data from SQLite db file, I check my db file with text editor and i saw dropped data is still there.. I'm using SQLite3.dll (in c#) but i can`t find something property for open db with dropped data or ... Is…
Mehdi Yeganeh
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How can I view a dump of a NTFS $Logfile?

I recently encountered a strange Windows 7 bug where a 600 MB video file I spent ~1 hour recording disappeared with no trace. I've tried using applications such as Recuva to see if I can recover it to no avail. I know for sure that the file existed…
Tom A.
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How much risk is exposing all the sources to a third party?

I've been arguing with a co-worker about how necessary it is to wipe or destroy the hard disks that were used for storing the sources and are replaced with bigger ones or discarded. His point is that no piece of source code exposed to a third party…
sharptooth
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Recovering deleted Records

I have accdently deleted some rows in a table and did the commit too. Now I want to recover them. The DB I'm using is Oracle 11g R2. I used the following query to get deleted records: SELECT * FROM MY_TABLE AS OF TIMESTAMP ('13-MAR-11…
KTB
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How to retrieve deleted records from MySQL

Is there any methods to retrieve deleted records from a mysql database?
Harsha
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