So Monday night was the monthly SQL BI user group meeting. Attending these meetings is always interesting for me since I鈥檓 not a BI-guy (leave out the gutter jokes please鈥) so I definitely learn something new. I also leave with a raging headache since I have trouble wrapping my head around some of this crazy stuff. I tip my hat off to you guys that specialize on the BI side of SQL Server. I鈥檝e come to realize that its kind of like Texas Hold 鈥楨m poker vs Omaha. When it comes to SQL we鈥檙e all playing the same game with very different rules. Anyhow, I digress, back to the recap.
We started off with a general 鈥渨hat鈥檚 going on鈥 discussion in the world of tech/SQL/etc. We talked about some of the big stuff that happened that day such as Microsoft鈥檚 during their E3 presentation, the public launch of Microsoft鈥檚 new search engine: , the current state of job market (looking better, contact as he has quite a few SQL jobs available), (expires at the end of this month), next month鈥檚 meeting (I鈥檒l be presenting on Policy Based Management), and the announcements regarding and 鈥淕emini鈥, which turned out to be a very hot topic for the night! For the record our group is looking for more info and demos on Gemini so if you鈥檙e available for a talk and want to visit sunny Tampa drop Rob Hatton a line!
Speaking of Rob, he was our featured presenter this month on the topic of Designing Slowly Changing Dimensions. The discussion was based around the Kimball Methodology which if you鈥檙e not familiar with then you are highly encouraged to go grab a copy of . On the whole I found the presentation really good but after awhile some of the concepts start flying over my head.Some things I did walk with is that when you鈥檙e doing a data warehouse project some things you need to realize is that 80% of your effort will go towards the ETL, 5-10% to the cube and the remaining to the relational stuff. Another little tidbit I picked up is that apparently 3/4 of the source data that the BI pros in the room have dealt with to load into the staging portion of the DW are CSV/txt files which surprised me. Then again I鈥檓 a DBA so I believe everything should live in nice relational databases! I don鈥檛 mean to skimp on the details of the presentation mostly because I wouldn鈥檛 do it justice and I鈥檇 probably be wrong about the details. Rob鈥檚 slide deck should be available on the user group鈥檚 website soon and when it is I鈥檒l link it here.
As an added bonus, and due to our lengthy discussion and excitement about SQL 2008 R2 and 鈥淧roject Gemini鈥, from Microsoft, managed to show us a quick 6 minute video clip from 鈥檚 presentation on Gemini. Unfortunately it was without audio so we couldn鈥檛 get detailed explanations of the features. If you鈥檙e curious about Gemini check out that has everything you need to know.