Wednesday, April 9, 2008

Corrupted DBF Files - How To Prevent And Repair Dbase Corruption

.DBF (DataBase File) registers are some of the most commonly used data files across multiple applications. First introduced as portion of the antediluvian Dbase language, which later went through multiple versions before finally becoming xBase, the dbf extension have go somewhat of a criterion for most programmes that collect and construction information into specific 'quantas'. Some of the commonly used programmes that bring forth dbf information files as the agency to hive away data are FoxPro, Ocular FoxPro, dBase (and it's various versions), many popular games, and synergistic programmes such as as Dragon Naturally Speak. While most programmes that usage .DBF data files never necessitate the user to directly interact with the data data file itself, some of them, especially those targeted at developers, demand changeless interaction with the database file. As such, losing information stored in a .DBF data file can have got terrible effects leading to loss of productivity, and many modern times hours of work.

Corruption of DBF data files is not very common. However, given the figure of modern times a give data file necessitates to be loaded and unloaded in a developmental environment. Since most mistakes happen during the procedure of economy and loading, there are a few stairway you can take to forestall such as damage. There are basically two marks of damaged or corrupt DBF files:

1. Lack of readable content. If all that is seeable when you open up the data data file is gibberish or incomprehensible content, then most likely, the file is corrupt or at the very least damaged.

2. If the information data register is unopenable, in that you have a 'cannot unfastened file' or 'data data data file inaccessible' error, the file is probably damaged or corrupt.

The adjacent of import thing to understand is how a file can acquire corrupted. According to Microsoft, over 90% of data data file harm happens owed to improper economy of the file. For example, if the programme was close down as it was economy a file, or the computing machine lost powerfulness during the saving process. Most newer operating systems have got in-built instructions to forestall such as corruptness by ensuring proper economy of the files. Many of the newer versions of Foxpro and other development chopine also have got taken measurements to forestall such as damage. Even so, corruptness of DBF data files is not all that rare. Usually, it is very difficult to nail the exact causes of the corruptness of the data files when wrong economy is not involved. All that is known clearly is that the information is almost always restructured in a mode that database reading programmes are no longer able to acknowledge and usage it.

DBF Repair - How To Recover DBF Files

It is impossible to mend DBF data files without using a good DBF fix program. The information file necessitates to be deeply studied, and the data within re-organized making iridium readable to a regular DBF reader. The information must also be studied for differences between which sectors of the data file are 'newer' than the others. This is usually done by looking at the day of the month and clip postages on the data. If this is inconsistent with the data, then it bespeaks irregular saving, or mistakes during the save. This is, as is obvious, most common in corrupt information which is a consequence of wrong saving. A good DBF fix software system should be able to travel through the given file, into the unstructured data, and topographic point the related to information packages together where they belong. This restructuring lets a criterion DBF information information data data file reader to understand the data again and unfastened the file normally.

Once the file is repaired and the data restored, it is recommended to open up the file again and salvage it as a different transcript on another medium of storage. This volition guarantee that you have got got a non-corrupt copy of the data file as backup and don't have to travel through the DBF fix software system over and over.

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2 Comments:

At April 16, 2008 at 3:07 AM, Blogger Unknown said...

I usually repair a DBF file by copying it's file structure to a new file named something like VERYTEMP.DBF or making a file with the same structure. You then open the verytemp file and add back all the records from the damaged file - e.g. append from DAMAGED.DBF. dBASE usually recovers as much as it can. You might only find damage to one record. If you lose that in 20,000 then its just hard luck.

 
At November 1, 2011 at 3:09 PM, Blogger Alex said...

DBF databases can be recovered with the help of recover foxpro. It owns high end, easy to use interface for any experienced user. The program functions under any Windows OS. The software doesn't modify source data during restoration.

 

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