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how many record versions

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begin;
update t set val=val+1; -- 1000 times
commit;

How many record versions does it create? 1 or 1000? I'm implementing a banner counter which is incremented at least 2-3 millions a day. I thought I'd cheat by only commiting after every few minutes. Would that work or would I still create as many record versions?

--
dave


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