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insert nologging parallel/noparallel and archiving

From: Gurelei <gurelei_at_yahoo.com>
Date: Fri, 05 Jul 2002 10:43:18 -0800
Message-ID: <F001.00490693.20020705104318@fatcity.com>


Hi all.

I've been trying to copy a 20mil rows table between two databases via insert as select statement. I have dropped all the indices and ran in nologging mode with hints forcing parallel execution of both ISERT and SELECT. While checking the archive directory I have noticed that the archives have been created every 2 minutes. I have cancelled the load and noticed that I forgot to alter system enable parallel dml so in effect the load was going in sequential mode. Then I reran my script having added the alter system statement and there we no archive created while it ran.
So it looks like even without the indices a sequential insert as select nologging still creates the archives wihle the parallel - doesn't. Does it sound right? If so, why. I thought the nollogging and with no indices shouldn't produce any log info regardless of the mode.

TIA Gene



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Author: Gurelei
  INET: gurelei_at_yahoo.com
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