The article titled Rating Your Dimensional Data Warehouse is a concise piece of scholarship that outlines the key metrics in evaluating a Data Warehouse. Data Warehouse as a data storage concept and decision making aid has evolved a lot over the past two decades. Yet, no…
While a sum total score of 0 would indicate a system completely unsupportive of a dimensional approach, a score of 20 would indicate a system that is fully supportive of a dimensional approach.
The author outlays 12 of the 20 criteria in the article. Some of the criteria that pertain to the Architecture of the Data Warehouse are: Explicit Declaration, Conformed Dimensions and Facts, Dimensional Integrity, Open Aggregate Navigation, Dimensional Symmetry, Dimensional Scalability and Sparsity Tolerance, etc. Kimball explains Open Aggregate Navigation as follows:
“The system uses physically stored aggregates as a way to enhance performance of common queries. These aggregates, like indexes, are chosen silently by the database if they are physically present. End users and application developers do not need to know what aggregates are available at any point in time, and applications are not required to explicitly code the name of an aggregate. All query processes accessing the data, even those from different application vendors, realize the full benefit of aggregate navigation.” (Kimball, 2000)
Similarly, some of the criteria that fall under Administration category are: Graceful Modification, Dimensional Replication, Dimension Notification, Surrogate Key Administration, International Consistency, etc. Kimball explains Dimensinal Replication as follows:
“The system supports the explicit replication of a conformed dimension outward from a dimension authority to all the client data marts, in such a way that we can only perform drill-across queries on data marts if they have consistent versions of the dimensions. Aggregates that are affected by changes to the content of a dimension are automatically taken offline in each client data mart until we can make them consistent with the revised dimension and the base fact table.” (Kimball, 2000)
One of the impressive aspects of the article is its compact ...
Cite this document
(“Rating Your Dimensional Data Warehouse Article Example | Topics and Well Written Essays - 500 words”, n.d.)
Retrieved from https://studentshare.net/miscellaneous/455010-rating-your-dimensional-data-warehouse
(Rating Your Dimensional Data Warehouse Article Example | Topics and Well Written Essays - 500 Words)
“Rating Your Dimensional Data Warehouse Article Example | Topics and Well Written Essays - 500 Words”, n.d. https://studentshare.net/miscellaneous/455010-rating-your-dimensional-data-warehouse.
What Color is Your English?
Their research is restricted to the African immigrant women living, studying and working in the Canadian State. The study brings to light the effects biased opinion of the English language accent has on the various rights of these women.
Development of these interventions and techniques is based on research and systematic studies conducted to evaluate the effectiveness of some of these initiatives. In order to come up with a conclusive or concrete decision pertaining to the best version of remedy, evaluation must be conducted with regard to the proposed solutions and interventions.
Either way, the idea is to enhance the job skills of your employees so as to improve the company's bottom line. For this reason, it is vital that your coaching program succeeds. One of the ways of ensuring that you're the success of this program is to hire the right coach for the job.
the maximum progress and recognizing them as Reward schools; this would encourage the functioning of the schools and thereby enhance their performance. Though I agree that the identification of the Challenge School and then helping them in specific ways is an innovative way to
Alert fatigue is caused as a result of frustration arising from warning after warning alerts that pop up before an order is accepted when one is using the EHR system (AHIMA 26). The alerts may have been put in place in an attempt at
As the author of the article puts it, Ben Bernanke, the Fed Chairman, has assumed that the high unemployment rate, above 6.5 percent, would continue at least until mid-2015. Besides, the unemployment rate for the month of December 2013 is estimated at 6.7 percent and it is quite likely that the targeted unemployment rate of 6.5 percent will be achieved soon.
nd through the utilization of case study examples, Stein and Devaney show that small businesses still reap the rewards of higher levels of consumer responsiveness to direct mailing strategies, television and other print advertisements as promotional tools.
The article asserts