Jay,
Index blocks can be reused, but unlike a table block,
they are not reused until *all* data is removed from
the block.
So if you remove most rows, it won't help if most blocks
still have a pointer to a row.
Jared
On Wednesday 15 August 2001 13:48, Miller, Jay wrote:
> I'm puzzled.
> We had a table that hit maximum extents on our QA server (unlike production
> it isn't cleaned out on a daily basis). I deleted most of the rows,
> leaving only a few thousand.
> The next day, when inserting more rows I hit the maxextents exceeded error
> on an index on that table (of course the number of extents hadn't been
> reduced but I would have thought there'd be plenty of room in 121 existing
> extents after most of the rows were deleted). I rebuilt the index and it
> went from 121 extents to 1 extent, resolving the problem, but leaving some
> curiosity.
> It's a primary key sequence based index. Any ideas?
>
>
> Jay Miller
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