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Amazon.com Software Design Engineer Interview Question

I interviewed in Seattle, WA and was asked:
"Design counters system for online services."
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Part of a Software Design Engineer Interview Review - one of 4,640 Amazon.com Interview Reviews

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This is a pretty vague question but here goes. I would store the ip address, date, time and reference a foreign key of the product or service in a database table. Then some simple aggregate queries to pull the total. I would use the IP address to guarantee that the visits were unique.
- Jason on Dec 8, 2011

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