how to update 400 000 register not at the same time?

From: "John Dizaro" <jedsoftware(at)gmail(dot)com>
To: pgsql-sql(at)postgresql(dot)org
Subject: how to update 400 000 register not at the same time?
Date: 2008-12-01 16:25:23
Message-ID: 11c2d5210812010825o21f86d84i3599f401ee59f814@mail.gmail.com
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I Have um very big table with primary key and all i nead.
When i update same register from this table it comes sj=low.
Can i Update all my 400 000 register not at the same time? By steps?

Thanks

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John Evan Dizaro Software -
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Fone: (41) 9243-3240
Rua: Alferes Poli Curitiba - PR - Brasil

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