Since you've already dropped the indexes the following might be an option
if you have enough diskspace available...
Rename the existing table to a temporary name
Create a new table using "create table <table_name> as select ...", but
replace the field you want set to 0. You could probably fiddle with hints
like "append" and "parallel" and maybe "nologging" if you want to squeeze
some more speed out of it.
I guess the benefit is that if you've got any plans to change storage
clauses, etc then you can do those at the same time.
Regards,
Mark.
Gurelei
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Sent by: Subject: update 30mil rows
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26/02/2003
08:26
Please respond
to ORACLE-L
Hi all:
I need to update every row 30mil-rows table.
I have dropped the indices and running the update
in parallel:
update /*+ parallel (degree 8) */ table_name
set field1=0;
Is there anything else I could to to speed up this
process. I don't think I can do an update in nologging
mode. I'm running 8.1.7.4
thanks for any advice.
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