Sequential ID Field in SQL 2005 Table
I need to update my SQL 2005 table to automatically add the next ID number when I add new data to the field. I have attached an UPDATE query of my existing table and was hoping some type of update would make my sequential numbering would work.
UPDATE [TrackVent].[dbo].[Humidifier_Base]
SET [ID] = <ID, int,>
,[SERIAL #] = <SERIAL #, nvarchar(255),>
,[P/N OR SVC] = <P/N OR SVC, nvarchar(255),>
,[MODEL] = <MODEL, nvarchar(255),>
,[CUSTOMER] = <CUSTOMER, nvarchar(255),>
,[ID #] = <ID #, nvarchar(255),>
,[END CUSTOMER] = <END CUSTOMER, nvarchar(255),>
,[INVOICE] = <INVOICE, nvarchar(255),>
,[INV DATE] = <INV DATE, datetime,>
,[ACTION] = <ACTION, nvarchar(255),>
,[TYPE] = <TYPE, nvarchar(255),>
,[RGA] = <RGA, nvarchar(255),>
,[COMMENTS 1] = <COMMENTS 1, nvarchar(255),>
,[COMMENTS 2] = <COMMENTS 2, nvarchar(255),>
WHERE <Search Conditions,,>
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In this case we should not do alter table.
Do you the maximum ID +1 when you need to add a new record or at the time of update you need to do it ?
Do you the maximum ID +1 when you need to add a new record or at the time of update you need to do it ?
ASKER
I need to add the new number at time of update.
I just tested and the way you gave me worked for creating a new column. I wish I could just update my existing table using design and make it like the ID1 column I just created.
I just tested and the way you gave me worked for creating a new column. I wish I could just update my existing table using design and make it like the ID1 column I just created.
Ya, You can do it but you need to check no null values should be there in that column (ID).
ASKER
I have no NULL values. All numbers are sequential.
ASKER
I tried:
ALTER Table [tablename] UPDATE ID int indentity(1,1)
AND IT CRASHED MY SYSTEM :)
ALTER Table [tablename] UPDATE ID int indentity(1,1)
AND IT CRASHED MY SYSTEM :)
No you should not do it like this.
Open it in design view and make it identity.
Open it in design view and make it identity.
ASKER
Great solution.
Microsoft SQL Server 2005
Microsoft SQL Server 2005 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. It includes support for managing XML data and allows a database server to be exposed over web services using Tabular Data Stream (TDS) packets encapsulated within SOAP (protocol) requests.
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ASKER
I run this: (see my fields in code)
ALTER Table TrackVent add ID int identify(1,1)
This is all? This will update my ID field? It looks like it want to add a new column.