Anyone here uses OLAP, running in MySQL? Any OpenSOurce OLAP query
tools?
How does one goes about doing OLAP? Is there any documentation w/ MySQL
anywhere. (I'm currently looking at Pentaho and Mondrian etc but the
Pre-configured demo didn't work as it should, meaning it doesn't run for
X reasons)
What about doing views? eg: I take a snapshot of the data, every 1
hours, and plug them into a view or another table and use that eg:
select
Avg (A),
Min(A),
Max(A),
AVG(B)
min(B),
max(B)
from table1
left join table2
on table1.field = table2.field
etc..
etc..
Will that work? Then when I query, I query this newly created aggregrate
table and I'm thinking of something along these lines.
DATE | Month | Day | Hour | AVG | Min | Max| some other field
2006 | | | | 10 | 0 | 100 |
AAA
-->2006| Oct | | | 10.5| 1 | 101 | BBB
-->2006| Oct | 10 | |10.2 | 3 | 98 | CCC
etc..etc..
Will something like this work for a So called "moving average"??
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