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ETL and type 2 slowly changing dimension
Hello, I am in the process of setting up a datawarehouse for a distributed measurement system. The measurement probes periodically report measurement data (facts) which is automatically ETL'ed into the datawarehouse. One of the dimension tables is a type 2 SCD with the probe configuration...- optimax
- Thread
- Replies: 1
- Forum: Data Warehousing/Big Data
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Wide fact table vs. multiple fact tables
I am currently developing a data warehouse for a telecom company. We collect several different measures (100+) from the network elements on an hourly basis. I'm wondering what the optimal data warehouse design would be: 1) Since all measures bear the same granularity (1 hour), and originate from...- optimax
- Thread
- Replies: 8
- Forum: Data Warehousing/Big Data
