HAVING TROUBLE SETTING A COMPUTED COLUMN AS NOT NULL

Ankit Singh

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Points:2389
Posted by  Ankit Singh
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Hi All!

I'm having problems setting a computed column as not null.

What I want to achieve is C001,C002..., etc. and at the same time set it as not null.

I have read on a forum that this can be achieved by using the default value 0 for NULL values.
E.g., ISNULL(Price + Taxes, 0)

I have tried to apply to this formula:

('C'+right('000'+CONVERT([varchar](3),[ID],(0)),(3)))
But it didn't seem to work. Can anyone tell me what am I missing?

ALTER CreditCard accountNo AS ISNULL('C'+right('000'+CONVERT([varchar](3),[idCreditCard],(0)),(3)),0)

Thanks in advance! 
  1. AVADHESH PATEL

    Post:604

    Points:4228
    Re: Having trouble setting a computed column as not Null

    Hi Ankit!


    You can try as following query

    ALTER TABLE CreditCard ADD accountNo AS ISNULL('C'+right('000'+CONVERT([varchar](3),[idCreditCard],(0)),(3)),0)

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