Corrupted Dbf Files - How to Prevent and Repair Dbase Corruption

.DBF (DataBase File) files are some of the mostwas saving a file, or the computer lost power during
commonly used files across multiple applications. Firstthe saving process. Most newer operating systems
introduced as part of the archaic Dbase language,have in-built instructions to prevent such corruption by
which later went through multiple versions before finallyensuring proper saving of the files. Many of the newer
becoming xBase, the dbf extension has becomeversions of Foxpro and other development platforms
somewhat of a standard for most programs thatalso have taken measures to prevent such damage.
compile and structure data into specific 'quantas'.Even so, corruption of DBF files is not all that rare.
Some of the commonly used programs that generateUsually, it is very hard to pinpoint the exact causes of
dbf files as the means to store data are FoxPro,the corruption of the files when incorrect saving is not
Visual FoxPro, dBase (and it's various versions), manyinvolved. All that is known clearly is that the data is
popular games, and interactive programs such asalmost always restructured in a manner that database
Dragon Naturally Speak. While most programs thatreading programs are no longer able to recognize and
use .DBF files never require the user to directly interactuse it.
with the file itself, some of them, especially thoseDBF Repair - How To Recover DBF Files
targeted at developers, need constant interaction withIt is impossible to repair DBF files without using a good
the database file. As such, losing data stored in a .DBFDBF repair program. The file needs to be deeply
file can have severe consequences leading to loss ofstudied, and the data within re-organized making ir
productivity, and many times hours of work.readable to a regular DBF reader. The data must also
Corruption of DBF files is not very common. However,be studied for differences between which sectors of
given the number of times a give file needs to bethe file are 'newer' than the others. This is usually done
loaded and unloaded in a developmental environment.by looking at the date and time stamps on the data. If
Since most errors occur during the process of savingthis is inconsistent with the data, then it indicates
and loading, there are a few steps you can take toirregular saving, or errors during the save. This is, as is
prevent such damage. There are basically two signsobvious, most common in corrupt data which is a result
of damaged or corrupt DBF files:of incorrect saving. A good DBF repair software
1. Lack of readable content. If all that is visible whenshould be able to go through the given file, into the
you open the file is gibberish or incomprehensibleunstructured data, and place the related data packets
content, then most likely, the file is corrupt or at thetogether where they belong. This restructuring allows a
very least damaged.standard DBF file reader to understand the data again
2. If the file is unopenable, in that you receive a 'cannotand open the file normally.
open file' or 'data file inaccessible' error, the file isOnce the file is repaired and the data restored, it is
probably damaged or corrupt.recommended to open the file again and save it as a
The next important thing to understand is how a filedifferent copy on another medium of storage. This will
can get corrupted. According to Microsoft, over 90%ensure that you have a non-corrupt copy of the file as
of file damage occurs due to improper saving of thebackup and don't have to go through the DBF repair
file. For example, if the program was shut down as itsoftware over and over.