Distributed Database Essay Example | Topics and Well Written Essays - 3000 words

Distributed Database - Essay ExampleBest customers are those who engage to 7day, 52week, EZPay automatic payment from credit card subscriptions.2. Existance in the marketplace and we have touched them. By construct complete universe of households with extended demographics, and by attaching touch or contact histories to individuals, can determine what is on the job(p) on what types of customers (and what isnt working). We need to build touch history over time. Value increase as much history is accumulated.3. We build a loyalty model establish on a subscribers payment history. verity can be defined as overall duration as subscriber, number of consecutive payments (with unplowed service), etc. We can then create a profile of a loyal subscriber and much effectively identify likely churners vs. likely loyal subscribers.This is a very important step in the data warehousing project, as the foundation of the data warehousing system is the data model. A penny-pinching data model will allow the data warehousing system to grow easily, as intimately as allowing for good performance. In data warehousing project, the logical data model is built based on user requirements, and then it is translated into the physical data model. This project uses Dimensional modeling, which is the name of the logical mark technique often used for data warehouses. It is different from entity-relationship modeling.Entity relationship modeling is a logical forge technique that seeks to eliminate data redundancy while Dimensional modeling seeks to present data in a standard framework that is intuitive and allows for high-performance access. Every attributeal model is composed of unmatchable table with a multi part samara, called the fact table, and a set of smaller tables called dimensional tables. Each dimension table has a single part primary key that corresponds exactly to one of the components of the multi part key in the fact table. This characteristic star like structure is often called a star join. A fact table, because it has a multi part key made up of two or more irrelevant keys always expresses a many-to-many relationship. The