Re: ROWNUM strangeness?

Yes sir.

Paul Baumgartel wrote:

>I believe you have ROWNUM confused with ROWID.
>
>--- ltiu <ltiu_at_alumni.sfu.ca> wrote:
>
>
>>Holes in your extents/segments. Normal. You get this after repeated
>>updates/deletes/inserts.
>>
>>ltiu
>>
>>Paul Baumgartel wrote:
>>
>>
>>
>>>I've been given a query to investigate. The performance varies
>>>extremely depending on whether the entire result set is fetched or a
>>>ROWNUM < n clause is attached; that makes sense to me. What doesn't
>>>make sense is the following: if we add WHERE ROWNUM < 50, the query
>>>returns 24 rows. If we add WHERE ROWNUM < 1000, the query returns
>>>
>>>
>>336
>>
>>
>>>rows!
>>>
>>>I don't know the size of the entire result set (I'm running a count
>>>right now), but if the result set consists of at least 336 rows,
>>>shouldn't WHERE ROWNUM < 50 return 49 rows?
>>>
>>>TIA!
>>>
>>>
>>>
>>>=====
>>>Paul Baumgartel, Adept Computer Associates, Inc.
>>>paul.baumgartel_at_aya.yale.edu
>>>
>>>
>>>
>>>
>>>
>>>__________________________________________________
>>>Do You Yahoo!?
>>>Yahoo! Finance - Get real-time stock quotes
>>>http://finance.yahoo.com
>>>
>>>
>>>
>>>
>>
>>--
>>Please see the official ORACLE-L FAQ: http://www.orafaq.com
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>>Author: ltiu
>> INET: ltiu_at_alumni.sfu.ca
>>
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>
>
>__________________________________________________
>Do You Yahoo!?
>Yahoo! Finance - Get real-time stock quotes
>http://finance.yahoo.com
>
>

-- 
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-- 
Author: ltiu
  INET: ltiu_at_alumni.sfu.ca

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