changing autonumber field to number datatype

StackOverflow https://stackoverflow.com/questions/348591

  •  20-08-2019
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Question

Is there any way to change the autonumber field to a number datatype, when the field is used a primary key and linked to other tables?

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Solution

You will have to delete the relationship(s) between the table and any foreign key columns on other tables first. Change the data type and then recreate the relationship(s).

OTHER TIPS

As far as I'm aware there's no way to change this. In Access 2007 it can be changed from Long Integer to Replication ID. In previous versions I don't recall any way of doing this - if I recall correctly it was automatically set to Long Integer but there's no way to control what Access does with the AutoNumber.

Edit (question modified): You'll have to drop the relationships with the other tables in order to modify it, once you've dropped the relationship you'll be able to change the type and then recreate the relationship.

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