29.11.2011 9:01, Dmitry Yemanov wrote:
> Frank has shown a somewhat similar one: it's a more or less common
> practice to empty/nullify the RDB$***_SOURCE columns.
>
> So perhaps, unless some good alternative can be offered, we could still
> allow modifications of particular columns that are known to not affect
> the metadata stability. Both descriptions and SQL sources do belong to
> this list, I suppose.

   Shouldn't RDB$%_SOURCE fields not to be accessible at all?
   Practice to nullify such fields was born from the inability to protect them 
from public 
reading.

-- 
   SY, SD.

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