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Assignment
Write a 2-3 page paper to address the issues below.
"DBMS and Datawarehousing -- II"
You are working in the data warehouse project team, and the data warehouse project is in the design phase.
1. Explain to your fellow designers how you would use a star schema in the design.
2. Explain the use of facts, dimensions, and attributes in the star schema.
3. Explain multidimensional cubes and describe how the slice and dice technique fits into this model.
4. In the star schema context, what are attribute hierarchies and aggregation levels and what is their purpose?
Summarize briefly how to make use of indexes such as B+ tree or a hash indexes in selection, projection, and join operations?
These comprise NOT NULL, CHECK, UNIQUE, REFERENTIAL INTEGRITY, and PRIMARY KEY constraints. Are these constraints which we are talking about easy to implement in Access Database?
What are the key components of a data governance program? What are four reasons why data quality is important to an organization? Describe the key steps to improve data quality in an organization.
Develop a list of database management system capabilities to compare these systems. Develop your criterion and definitions in a table that lists the criteria, your definition, and your rankings.
Assume you are making a database to help university keep track of its course offerings. You might have following entities in database, as they are distinct items in real life.
You are to find a recent article on distributed databases on the web and describe the contents of the article in YOUR OWN WORDS in a research paper.
Define and discuss the concept of transitive dependency. What is a surrogate key, and when should you use one? What is a partial dependency? With what normal form is it associated?
Whats the difference between a filter and a query
You must write a batch file which creates and populates a database of between 4 and 6 tables. The database must be of your own making and should be of an area of interest to you or related to your work
We have implemented the MVC design pattern for Web based database interfaces. However, there are other design patterns that may be directly applicable to PHP programming, or web programming in general.
Create a good project based on online diary and event management. users can register and create daily/weekly/yearly events,create contacts,upload media and sent messages to their friends.
mention various steps required to draw an e-r diagram. draw an e-r diagram for student information system. mention all
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