Kimballs design Tip#51 - Time Dimension

Time in fact or dimension? Accumulating snapshot

I need to build an accumulating snapshot where not only do I need to track the many dates I need, but also the specific times of when things occur. Role playing and using a date dimension is not enough because it doesn't track the specific time of the day

Store Business Hours in Time Of Day dimension?

Hello, I am building my first DataWarehouse and I got stuck on how to handle the time of day and my business hours. I am trying to evaluate response times for support cases and I have multiple time zones with different business hours. I only need to

time dimension

Hi I have to create a time dimension to cater to the reporting needs. With the current database structure which is not a dimensional model we need to create reports that are period based. How do we create a time dimension table (we need year, quarter,

Time Dimension vs Measures in Minutes

Hi All, I would like to design the time in a multidimensional model. The classic calendar date dimension (day, week, month, year) should be applied here. Besides that, I have a fine grain: the minute. More specifically, let's suppose I have 10.000

How to design student quarterly registration fact table

I am in the process of creating a student data warehouse for a university. I want to track the student quarterly registration. I am wondering what the best way to create the fact table is. The main dimensions should be time (quarter) and student but there

Dimension Design with Multiple Data Sources (ORACLE and SQL Server)

Hi All. We have a client that is currently migrating from a legacy SQL Server (6.5) based ERP to Oracle e-Business Suite. The old legacy system was distributed in both application and database, however the application and database structure was (almost

Dimension Modeling Design challenge - Help Needed

Guys, Help me out identifying whats wrong with my model. I am able to get to the right data, but size of the fact table is arguably high and not gladly acceptable. Let me show you the picture (tip of the iceberg) Data table in transaction db is

Real time datawarehouse replacing operational reporting

Hi, As I was reading through articles I came across one of the advantages in real time datawarehouse that it can replace the operational reporting so there is no need for reports to go across 2 reporting DB there can be one centralised Real time DW and

Questionnaire for medical record entries

Good afternoon, I am currently working on a data warehouse in the health care sector and I currently facing this problem: The aim of this warehouse is to have an overview of a cancer therapy. So, I have created the following fact table

Sparse dimensions, how to handle?

I've purchased the book "The Microsoft Data Warehouse Toolkit" and have reviewed it in order to build out a data warehouse solution I am currently designing. I am stuck in a spot that I don't seem to find any examples of , or am not abl

[NEW CONTEST] Time to get creative for Christmas!

Hello We're now near XMAS! And to celebrate the event, ForumOtion is offering you loads of credits with this new contest of XMAS themes ! Let's see a flashback of last year winners: 1st, with 65 votes : Christmas magics 2nd, with 62

What's the current time in your country?

well this is simple Just tell us what's the current time on your country everytime you log or so on It's 9:15 pm here.

Green CoW's Gallery

Hi there...Here's some stuff I've done. Most of them are fulfilled requests. (just showing off the stuff I already had uploaded) Hopefully you'll find something nice! GC's Resource Packs Shooter ImageSet (.CFG file not included) A free imagese