What kind of fragmentation would you park this under ?

hi guys
i am reading about
alter table xxxx shrink command;
on http://www.oracle.com/technology/pub/articles/10gdba/week15_10gdba.html
q1) do you consider this as a fragmentation ?
q2) if so, what kind of fragmentation does this falls under ?
q3) o`reilly oracle essential park this under segment fragmentation
but to me. it seems to be some kind "blocks fragmentation" which i believe, those empty spaces will be reuse again due to further insert or updates and those empty spaces will be coaleces during the reuse of the freespace as state in the oracle concept
<i>Released space may or may not be contiguous with the main area of free space in a
data block. Oracle coalesces the free space of a data block only when (1) an INSERT or
UPDATE statement attempts to use a block that contains enough free space to contain a
new row piece, and (2) the free space is fragmented so the row piece cannot be
inserted in a contiguous section of the block. </i>
hope to hear advices from you guys soon.
Regards,
Noob

q1 no
q3 if it would qualify as fragmentation it is segment fragmentation.
But it's not fragmentation.
The article is poor and shouldn't have been posted on Oracle's website.
The author fails to differentiate between freelist managed tablespaces and ASSM tablespaces. In the latter case fragmentation is no longer an issue.
Also the author states alter table move should move to a new tablespace and can't be executed online.
Both are incorrect.
Finally the article omits one fundamental question: does suffering from Compulsive Reorganization Disorder solve fragmentation? Or is it just a waste of resources?
Sybrand Bakker
Senior Oracle DBA

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What kind of fragmentation would you park this under ?

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