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Some confusion there.
If you use locally managed tablespaces, then
(typically) the first 64K is allocated for the extent
bitmap. Consequently if you set your filesize to
be N extents plus 64K, you don't waste space,
e.g. 2000MB + 64K gives you 10 x 200MB extents
and a 64K bitmap.
-- Jonathan Lewis http://www.jlcomp.demon.co.uk Next Seminar - UK, April 3rd - 5th http://www.jlcomp.demon.co.uk/seminar.html Host to The Co-Operative Oracle Users' FAQ http://www.jlcomp.demon.co.uk/faq/ind_faq.html Author of: Practical Oracle 8i: Building Efficient Databases koert54 wrote in message ...Received on Mon Mar 25 2002 - 15:23:14 CST
>On the other hand - if you use uniform sized locally managed tablespaces,
>you'll lose every first extent of each datafile ... example
>a 20GB locally managed tablespace (uniform sized extent 200Mb) with 2GB
>datafiles -> 10 datafiles x 200Mb -> you lost 2GB of space for
>actual data.