> On Mar 5, 2015, at 1:04 PM, Ann Harrison <aharri...@nimbusdb.com> wrote:
> 
> 
> 
>> On Mar 5, 2015, at 11:26 AM, "liviusliv...@poczta.onet.pl" 
>> <liviusliv...@poczta.onet.pl> wrote:
>> 
>> Hi, 
>> 
>> It is usefull for testing purposes. Consider monitoring what actually is in 
>> some table from other connection or software before some long task has 
>> finished.
> 
> Nothing is in a table until it is committed, so there's nothing to monitor.

That may be logically correct, but physically, an uncommitted record is there, 
at least in Firebird MVCC.  So it would be possible, I suppose, to implement 
read uncommitted, though there is a nast problem that an uncommitted record 
would mask a committed version, but that's part and parcel of read uncommitted.

But hey, why stop there?  How about "read rolledback", "read deleted", "read 
imaginary", and 'read whatever" (Monty's default mode for MySQL)?  


>  
> 
> 
> Best regards,
> 
> Ann
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