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Bate na Avo — — source: Informix-list mailing list archive (1991-1998)
In article <652nqa$3ho@cssun.mathcs.emory.edu>,
sujata_soman_at_omm-la2-infotech-001@internet.omm.com says...
>
>
>Hi.
> It is me again with another question related to UPDATE STATISTICS.
>Yesterday, I ran UPDATE STATISTICS high on 6 of my largest tables WHILE they
>were being read by a large query. Now the update statistics was really
necessary
>since the entire database had undergone a schema and data change. My question
is
>this:
> Since the update statistics was going on parallelly with the query, will
the
>query use the new plan once the update statistics is over or does it still go
>with the old plan ?? The query is just taking for ever to complete, and I am
>therefore quite concerned.
>Any comments ??
>
kill the query and start after the update statistics finished. Normaly the
optimizer looks to the statistics before executing the query.
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