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Queries' Relative Cost

08-03-2003, 01:10 PM

karmanis

Join Date: Jun 2003

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Queries' Relative Cost

Which one do you think that woud add the LESS load to your server...

choice 1)
1 simple query selecting the latest 5 posts from 20 specified forums, among 100.000 posts.... repeated 10 times in a loop.

gre:

choice 2)
1 query selecting the 5 latest posts from each of 200 forums (total =1000 selected posts), among 100.000 posts... applied just once
+
1 query selecting all the posts (should be 5 in total

) from 20 specified forums, among 1000 posts... repeated 10 times in a loop

It will also be of some interest, if you specify how many times heavier (approximately) would be the "other choice".

many thanks !
:bunny:

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