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Online on Thu Jun 25, 2009 in LIVE MEETING

Creating a star schema and OLAP cube - Trevor Dwyer

LiveMeeting Attendee URL Click here to join Meeting
Time Starts (UK time) at 19:00 , Finishes 19:30
Cost Free
Organiser UK SQL Server User Group
Tags
Provisional: Creating a Star Schema and OLAP cube.

Loose structure:

Star schema design and creating an olap cube

What is a star schema
Describe dimensions and fact tables
Describe dimension type, time parent/child, type 1/2

Describe the UDM and what its used for
Demo creating a cube over a non referential integrity star schema and then over a referenced one

Show adventure works udm and how much of a nightmare it can be
Talk about how if you can calculations should be in the database, avoid the udm if you can, avoid MDX if you can

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Member Chat

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aaronbertrand Sun 2:45PM
@tonyrogerson some people use (SMALL)DATETIME as a key, e.g. for reporting, so GETDATE()/SYSUTCDATE() etc. #sqlfaq #sqlhelp
tonyrogerson Sun 9:44AM
Looking at methods to generate a surrogate key value - IDENTITY, NEWID, NEWSEQUENTIALID, diy, hashing (SHA1 ??) - any more?#sqlfaq #sqlhelp
tonyrogerson Sat 2:18PM
Feels like I'm writing a book on surrogate keys, Part 1 blogged http://bit.ly/bRbFjX (Rules for surrogate keys, problems they solve) #sqlfaq
Jennifer Stirrup Wed 6:49PM
Is anyone hiring at the moment? Looking for a London-based BI focused role
tonyrogerson Wed 12:46PM
@philcr I'd really like to see Surface with a 2008 R2 demo on it taking full advantage of the kit - that would be cool! #sqlfaq