Access "Compact and Repair" programmatically

ms-access repair
MadSeb picture MadSeb · Aug 17, 2010 · Viewed 39.2k times · Source

Is it possible to "compact and repair" an Access database programmatically somehow (using ADOX, using OleDbConnection etc.)?

Answer

Scuzzlebutt picture Scuzzlebutt · Jan 26, 2014

I don't have enough rep to reply to a previous "answer", but I wanted to provide some info that might be helpful to someone else in regards to the OP's question.

I have been using the JRO method for years to compact/repair my Access 2000 databases from VB.net. Every once in a blue moon, I have a client that has managed to corrupt a database (usually when connected to the database over a network and they suffer an unexpected network interruption). JRO (in my experience) works fine, as long as the database IS NOT CORRUPTED. I never could figure out why the database COULD be repaired if I used the Access application to do it, but when using MY application (which uses JRO), the compact/repair would always fail (database is in an unrecognized format).

So, after coming across this thread just an hour ago, I dropped a reference to DAO into my app and tried out its ability to repair a corrupted database as I just today had a client corrupt their database (third time its happened in about 8 years). Guess what, DAO was able to repair the database when JRO failed!

OK, so that is my experience with JRO vs. DAO. Hope it helps. Here is a piece of sample code for using CompactDatabase from DAO:

Dim dbCorrupt As String = "c:\CorruptedDB.mdb"
Dim dbRepaired As String = Path.Combine(Path.GetDirectoryName(dbPath), Path.GetFileNameWithoutExtension(dbPath) & "_Repaired.mdb")

Dim dao As New dao.DBEngine
dao.CompactDatabase(dbCorrupt, dbRepaired)

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