06.04.2013 11:51, Dmitry Yemanov wrote:
> 06.04.2013 13:42, Mark Rotteveel wrote:
>
>> The question is: if you don't have permissions for a column, are you
>> allowed to know of its existence?
>
> I suppose the answer is "yes". Simply because system tables are world
> readable and this is unlikely to be changed in the foreseeable future.

   +1

   Security by obscurity is not really working.

-- 
   WBR, SD.

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