how to implement aggregated tables in vertica

StackOverflow https://stackoverflow.com/questions/17699647

  •  03-06-2022
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Question

how to implement aggregated table in vertica database? does vertica provide any inbuilt options. If it is not possible, what is the alternative ? I basically want to avoid the overhead of updating in both fact table and aggregated table.

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Solution

For an aggregated table, I have rolled my own in the past. Using some sort of script running via cron and keeping track of what was previously aggregated.

I would also highly recommend setting up projection(s) specifically tuned for the types aggregate query you desire. If done properly, you can see some pretty good results.

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