Re: alter column type

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About the only thing you need to consider is that changing the type of a
column will re-write the entire table, and I'm pretty sure it will hold
an exclusive lock during that process.

On Mon, Apr 10, 2006 at 03:13:38PM +0530, sandhya wrote:
> Hi..
>   If i want to change the datatype of a column in a table.....What are all the thigs i need to take care off.
> After somany records insertion if i change the datatype of the column..What will be the effect of it.
> Please tell me /give suggestion what needs to be cosider at the time of changing column type of a table.
> 
> Incase of  int to char/varchar/text/ etc.
> What are the different datatypes we should think about?
> 
> Thank you,
> Sandhya
> 
> 
> 
> 

-- 
Jim C. Nasby, Sr. Engineering Consultant      jnasby@xxxxxxxxxxxxx
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461


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