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Access 2007 - Return ID of last record inserted

Posted on 2011-02-25
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I need a way to return the ID of the last record inserted into a table.  I've found a few places out there with commentary on this, but I'm not sure what the best practice is to make this happen.

Are there transactions in access?  Should I include the insert and the ID retrieval as part of the same transaction so I can be sure I'm getting the correct ID back?
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Question by:JosephEricDavis
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Jeffrey Coachman earned 500 total points
ID: 34981209


=Dmax("ID","YourTable")
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by:Jeffrey Coachman
ID: 34981244
Now this is a bit tricky because my above post assumes that the ID field is an autonumber field.

I'll explain....

A table does not really know what record is "Last"
The "last record" will depend on how the table is sorted.
It can also mean the record with the most recent Day/Time stamp.

So you will have to clearly define "Last Record"
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by:JosephEricDavis
ID: 34981273
What about Transactions?  How do a perform a Transaction?
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by:Jeffrey Coachman
ID: 34982364
<What about Transactions?  How do a perform a Transaction?>
I'm confused?
I thought the one question here was determining the Last Record?

"Transaction" as they are known in SQL Server, do not exist in MS Access.
You can Access transactions via Access SQL (TSQL variant)
http://msdn.microsoft.com/en-us/library/bb208950%28v=office.12%29.aspx
http://msdn.microsoft.com/en-us/library/sx0e0xze.aspx
...I am sure you can google mor hits depending on your exact needs.

JeffCoachman
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by:JosephEricDavis
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Actually Access does have transactions, as can be seen here.
http://msdn.microsoft.com/en-us/library/bb243806%28v=office.12%29.aspx

I tried them and they work as just as one might think transactions work.  So I can't give you points for your response on that part of my question.  I can just give you points for the =Dmax("ID","YourTable") comment.

Thanks
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by:Jeffrey Coachman
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<Actually Access does have transactions,>
This is more of a semantics issue...
Transaction in DAO, yes, but not in Access directly.
For example there are no "Transaction" properties or setting in Access (forms) directly.

It all depends on what you are referring to specifically when you say "Access"
As the link states:
"The Microsoft Access database engine supports transactions through the DAO"

So like A 2005 Ford Taurus will "Support" Turbo/supercharging, remember that Turbo/supercharging it is not offered with the car as standard.

See the note in the link for info that Transactions in Access DAO are not the same as Transactions in a true Client/Server architecture.
So if you are looking some specific Translation functionality, it may not be the same in Access...

;-)

JeffCoachman
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