Inserting records into tables with autonumber

how do I enter data into tables with columns which have datatypes of Autonumber?

Here is the code column that has a datatype autonumber when I created it in SQL Management Studio

CaseNumber int IDENTITY(1,1) NOT NULL PRIMARY KEY

When I imported the tables into Access, the column CaseNumber was set to Autonumber. I've done some research but I can't get it to work.

What I found goes like this:
INSERT INTO (col2,col3) values ('value2','value3');
col1 needs not to be included because it is autonumber.

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Inserting records into tables with autonumber
How do I enter data into tables with columns which have datatypes of Autonumber? Here is the code column that has a datatype autonumber when I created it in SQL Management Studio

CaseNumber int IDENTITY(1,1) NOT NULL PRIMARY KEY

When I imported the tables into Access, the column CaseNumber was set to Autonumber. I've done some research but I can't get it to work.


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Duplication check on tables. AutoNumber
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I am assuming this can be done in a little VBA code? Some kind of duplication check?

Could someone guide me on how to go about implmenmenting this feature


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These existing numbers cannot be changed without having to change all the corresponding data in the other tables.

I have been testing the database by adding test records to check queries, new pieces of code etc. are working. However, this naturally creates new autonumbers, and after deletion of thesetest records the database 'remembers' the last false record and assigns new real records with a number which is not consecutive to the previous real record.

I had thought that compacting the database after testing and deleting the test records would reset the autonumber field so that new records would have consecutive numbers, but this does not happen.


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I have a request to implement some kind of row number for some reports and other things, and I am trying to figure out an easy way to do this that does not require inserting or creating some kind of autonumber field to a table.

what I have in mind is, in a query, create a virtual column that does the same thing autonumber does without actually having to append an autonumber field.

I think this might come in handy and am curious as to if this is possible. sure would be nice!


Restart from 1 AutoNumber field
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T_1, T_2 . T_k, T_k+1 . T_n
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For k = 2 to n every table has a field defined as LookUp on T_k-1 primary key.
In the test phase I make new records and I remove records so, the primary key (AutoNumber) loose the natural order: (I.e. start at 287 and the next number is 301).

Is there an easy way (from VBA) to restore the AutoNumber field to start at 1 with step 1 ? Of course, the relation between related fields must remain the same.

maybe you can teach me how to remove and restore the relationships between tables (from VBA)

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I basically want to work out an efficient way of adding a new record to the autonumber table and adding the number it produces to a new record within its equvalent foreign key.

It needs to be reasonably efficient as around 1000 records will be added at a time on one of the tables, whereas only 1 record will be added at a time on the other two.


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I have three tables which each have their own uniqueID field that I really need to be unique across the three (for union at a later point). Therefore I have created a table which has two fields - an autonumber field and another indicating which table it lives on.

I basically want to work out an efficient way of adding a new record to the autonumber table and adding the number it produces to a new record within its equvalent foreign key.

It needs to be reasonably efficient as around 1000 records will be added at a time on one of the tables, whereas only 1 record will be added at a time on the other two.


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This is weird! What is happening here?

Indeed, it may be because I have imported the table from another (migration table) and have written the old primary key column into the new primary key column. That seemed to work fine (and I was pleased because it will save me work) but I am worried that somehow now Autonumber is not displaying the valid next entry.

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I'm programming with VB .NET 2010 and using a Microsoft Access Database file which is bound to my project as a Dataset. Now I want to know: BEFORE inserting a new row into my dataset tablewhat will be the new ID number,

Surely you know the autonumber ID of a table is different with row count number, for there may be deleted rows between the table rows. Like the following example:

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For some reason the addnew method in a database a I am working on is not functioning properly. When inserting into tables with an autonumber field as the key, it does take me to a new record but as soon as one character is entered on the record (dirty) the autonumber field changes to an existing record and if you keep entering data the older record will be overwritten.

This is happening regardless of whether I use the docmd.addnew, dimension a recordset and use rstTable.addnew, or just hit the * control to take me to a new record.

It happens in a variety of tables where the data entry is done in forms.

The data entry code is old and has never been updated, this has always worked fine until a few days ago. this is a large application.

I checked to make sure the database specs are within the llimits and I see no violations. I developed a work-around, basically I just pull out the max ID from the table and then use an SQL INSERT INTO to append a record with max ID + 1 to the table, then it can be opened and I can go to the record and enter data with the new ID.

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of a sudden when I try to add a new record the autonumber field starts using numbers that already exist so then I get an error message and can not save the record.


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Can I have MS Access autonumber them like this?:

A001 to A200 (for Category A) and then B001 to B1800 (for Category B) on the same data entry form?