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2. Quality of data required i.e. How fresh data should be.<br />
For case 1: if the updated/changed/added data is > (in some cases equal to) 10% of the existing data then we are going to use FULL REFRESH instead of INCREMENTAL as the time required to update the existing system will be much higher than the time required to reload the complete data (Insert operation is almost 10 times faster than the update operation).<br />
"But for the two techniques, the data to be loaded should be in bulk and thus the freshness is low."
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For case 2: if we need fresh data, then we have to use the TRICKLE FEED, regardless of the performance(time required) of this technique.<br />
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--[[User:Bilal.zubairy|Bilal.zubairy]] 06:03, 20 September 2007 (UTC)
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