estimating size of query result

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Hello,

I'd like to ask if there is a way to estimate some how the size of the returning data set for query? I'd like to warn users if filters they build for reports in my application would result in very large result sets.. It's not wise to make a detail sales report for 5 years you know.... :)

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Julius Tuskenis
Programavimo skyriaus vadovas
UAB nSoft
mob. +37068233050


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