Converting An Integer Field Into An Identity Field

Sep 14, 2006

I have a table with an integer field (contains test values like 2, 7,8,9,12,..) that I want to convert to an Identity field. How can this be done in t-sql?

TIA,



Barkingdog





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DECLARE @datetimeoffset datetimeoffset(3)
DECLARE @datetime datetime
SELECT @datetimeoffset = '2012-11-08T17:22:13.575+00:00'
SELECT @datetime = @datetimeoffset
SELECT @datetimeoffset AS '@datetimeoffset ', @datetime AS 'datetime'
__________________________________________________ ___________
Result of above SQL is
@datetimeoffset datetime
2012-11-08 17:22:13.575 +00:002012-11-08 17:22:13.577
__________________________________________________ ____________

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Hi everybody,
Could someone help me ???
Iam starting with sql

My problem ..

Ihave a table Table_customer

In this table a column Table_customer.no
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probably i have to convert fisrt to caracters

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While I have learned a lot from this thread I am still basically confused about the issues involved.

.I wanted to INSERT a record in a parent table, get the Identity back and use it in a child table. Seems simple.

To my knowledge, mine would be the only process running that would update these tables. I was told that there is no guarantee, because the OLEDB provider could write the second destination row before the first, that the proper parent-child relationship would be generated as expected. It was recommended that I create my own variable in memory to hold the Identity value and use that in my SSIS package.

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2. Suppose I actually had two processes updating these tables, running at the same time. Then it seems the "variable" method will also have its problems. Is there a final solution other than locking the tables involved prior to updating them or doing something crazy like using a GUID for the primary key!

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TIA,



Barkingdog

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TIA,



barkingdog



P.S. Or should I pass the identity value back in a variable and not make it part of the data stream?

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If my table has an IDENTITY field, say, the table schema is:
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Folks

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