Tagged Questions
0
votes
0answers
30 views
How to handle “many columns” in OLAP RDBMS
I have a fact that has around 1K different numerical attributes (i.e. columns). I would like to store this in to a column-oriented DB and perform cube analysis on it.
I tried to design a star ...
3
votes
1answer
68 views
Should I snowflake or duplicate it across my facts?
I'm building up a data warehouse to be used by SSAS to create cubes on, and I'm debating between two possible schemas.
In my warehouse, I've got two different fact tables that tracking daily changes ...
6
votes
3answers
511 views
What advantages does in-memory OLAP have over traditional systems with significant memory?
Do in-memory OLAP engines have advantages over the traditional OLAP engines backed by enough RAM to contain the entire cube(s)?
For example, if I use a MOLAP engine (SSAS) and GB / TB of RAM where ...
1
vote
1answer
544 views
Design of fact table(s) and dimensions tables for data warehouse
Hi i'm newbie in Datawarehousing, how would you model this in a Data Warehouse:
i wish design the Data Warehouse which give the answers of statistics relating to a baseball league
For players
in ...
3
votes
2answers
385 views
Combining retail sales and payment OLAP cubes
I'm using SQL Server 2005 Standard Edition Analysis Services (SSAS). I'm trying to build cubes from a retail OLTP database that can answer these kinds of questions:
List down all products that were ...
