Re: [GENERAL] slow inserts and updates on large tables
От
Herouth Maoz
Тема
Re: [GENERAL] slow inserts and updates on large tables
Дата
Msg-id
l03110702b2f0889c1321@[147.233.159.109]
Ответ на
Re: [GENERAL] slow inserts and updates on large tables (jim@reptiles.org (Jim Mercer))
Список
Дерево обсуждения
slow inserts and updates on large tables jim@reptiles.org (Jim Mercer)
Re: [GENERAL] slow inserts and updates on large tables Herouth Maoz <herouth@oumail.openu.ac.il>
Re: [GENERAL] slow inserts and updates on large tables jim@reptiles.org (Jim Mercer)
Re: [GENERAL] slow inserts and updates on large tables Herouth Maoz <herouth@oumail.openu.ac.il>
Re: [GENERAL] slow inserts and updates on large tables jim@reptiles.org (Jim Mercer)
Re: [GENERAL] slow inserts and updates on large tables Herouth Maoz <herouth@oumail.openu.ac.il>
At 16:47 +0200 on 17/2/99, Jim Mercer wrote: > i will test this with my insertama program, but i see some problems with >this. > > firstly, it assumes that all of your applications programs are updated each > time you modify the structure of the table. This is true. That's the sacrifice you get for COPY's fast transfers. > also, it doesn't seem to address the issue of updates, which suffer >from worse performance than inserts. Did you try my trick, but without removing the indices? Move the data over to a temporary table, delete from the original, insert updated data back? (Assuming you don't have a separate update for each line). Herouth -- Herouth Maoz, Internet developer. Open University of Israel - Telem project http://telem.openu.ac.il/~herutma
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