On Sun, Mar 30, 2008 at 4:36 PM, Tom Lane <[EMAIL PROTECTED]> wrote:
> sanjay sharma <[EMAIL PROTECTED]> writes:
>  > 1. Transparent Data Encryption: The column which needs to be stored in 
> encrypted form can be specified through DDL. The encryption key can be stored 
> in a  secure file accessible through a pass phrase. That particular column 
> would apper in encrypted form for all users except the users specified 
> through a grant to see the data in decrypted form.
>
>  Exactly what threat do you see this protecting against, that wouldn't be
>  better solved by SQL-standard features like column-level access
>  permissions?

Yes.  And if you're concerned about people getting access to the raw
data files, put $PGDATA on an encrypted partition.

-Doug

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