Adding An Auto-increment Column To Existing Table With A Particular Order

Oct 19, 2005

Hello all,

I'm using SS2K on W2k.

I'v got a table say, humm, "Orders" with two fields in the PK:
OrderDate and CustomerID. I would like to add an "ID" column which
would be auto-increment (and would be the new PK). But, I would really
like to have orders with the oldest OrderDate having the smallest ID
number and, for a same OrderDate, I'd to have the smallest CustomerID
first. So my question is:

How could I add an auto-increment column to a table and make it create
its values in a particular order (sort by OrderDate then CustomerID
here)?

In the real situation, the table I want to modify has around 500k
records and the PK has 5 fields and I want to sort on three of them.

Thanks for you help

Yannick

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Select Into Statement Without Taking Auto Increment Of ID Column To The New Table

Mar 7, 2011

Due to localization I have the need to make child tables, where there is a composite Primary Key, between the Id column and the LanguageSign column. On the parent table the Id column is Identity column with auto increment.

The problem is that during the select into query to copy columns from parent to child, this auto increment behaviour of the parent-Id is copied to the child-Id. However I do not want that, because the same Id will be used by different LanguageSign entries

Is there a way to use 'select into' without copying the auto increment, or is my only option to make a whole new column without auto increment on the child and copy the records?

btw I have used this statement

SET
IDENTITY_INSERT MyTable

ON , so that inserting into the Id column is possible. I can see however that this does not take away the auto increment...

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2 {
3 //cannot have the same device entered twice!
4 if (Adapter.FillDeviceCountByMakeModel(make, model) == 1)
5 return false;
6
7 RepositoryDataSet.DevicesDataTable devices = new RepositoryDataSet.DevicesDataTable();
8 RepositoryDataSet.DevicesRow device = devices.NewDevicesRow();
9
10 device.make = make;
11 device.model = model;
12
13 devices.AddDevicesRow(device); << Error thrown Here!
14 int rows_affected = Adapter.Update(devices);
15
16 return rows_affected == 1;
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alter table hem154
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go

Note:
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I get this runtime error:

Msg 1779, Level 16, State 0, Line 1
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Msg 1750, Level 16, State 0, Line 1

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thx

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i've posted in the wrong forum, so im posting here

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I am facing a grange error, I hv an asp .net application running with sql server 2000 on a web server.

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regards

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