We were running a serial update on a fact table (45 mill rows) using the
old tech of
declare
cursor .......table a
begin
for c1rec in c1 loop
update fact
where period_key = c1rec.period_key and loan_key = c1rec.loan_key
----commit every 10,000 rows
end loop;
end;
fACT table partitioned on period key (per month) and there was a unique
local index on period_key and loan_key
the update was going at a rate of 10,000 rows every 2 min. very slow...
Myself and Madhavan(another avid reader of this list) thought of an idea.
W
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