list... this is something i cannot explain..

goal: to CTAS in a newly created tablespace

1) i created two raw devices test01 and test02

2) create tablespace test datafile '/dev/rtest01' size 1040m;

3) alter tablespace test add datafile '/dev/rtest02' size 1040m;

4) create table ratedlocal_test
tablespace test
storage(initial 1016m next 896 minextents 2 pctincrease 0 freelists 2)
unrecoverable
parallel 3
as (select * from ratedlocalcalls)
/

when the table creation was going on.. i happen to look at the v$filestat
numbers, i found 
that the raw device TEST02 was being written to first !!! (it's the SECOND
datafile in the tablespace creation) 

my understanding is that when a table is created, the extents are
(initially) taken from the datafile which is 
the first file when the tbs was created !!! 

what could be the logic behind this ?? 




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Author: Rahul
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