Is the Jet no longer invisible?

by Michael S. Kaplan, published on 2006/01/08 23:01 -05:00, original URI: http://blogs.msdn.com/b/michkap/archive/2006/01/08/510673.aspx


Jebin asked me via the 'Contacting Me' link:

I look at http://msdn.microsoft.com/library/default.asp?url=/library/en-us/ese/ese/extensible_storage_engine_error_codes.asp and compared it to your warning values from http://blogs.msdn.com/michkap/archive/2005/10/19/482694.aspx and I have to ask. Is the Jet Engine now documented?

That is a fair question. It is not a coincidence that there is some overlap between the two:

But the fact that not all of them are actually on both lists cannot be missed, either.

The Extensible Storage Engine and the Jet that ships with Microsoft Access do indeed have a shared lineage, but the two code bases have been separate for a long time, and they certainly have two very different sets of targets (and two different sets of capabilities).

So documentation of ESE does not mean the documentation of Jet has happened or even will happen -- sorry to be the bearer of bad news, Jebin.

Though as one of the few people to ever write utilities that call Jet directly (and as far as I know the only person outside of Microsoft to ever legally do it!), let me tell you that you are not missing much -- there are easier ways to get at almost all of the functionality that the Jet Engine provides....


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referenced by

2007/03/04 Questions about ESE may not always be EASY for me

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