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1. Fragmentation strategy-Rationale for fragmentation choices is clearly tied to the facts in the business case. considerations for horizontal, vertical and mixed approaches were explored.
2. Replication strategy-Replication choices are clearly linked to business needs. If no replication is recommended, the reasons why are discussed
3. Schema-The schema is complete, well organized and consistent with all aspects of the fragmentation/replication strategy
4. Distributed transaction-Example transaction is complete and shows an understanding of a 2-phase commit protocol. The approach would keep distributed/replicated data consistent
Consider following opinion shared by some people: database management systems and data-warehousing techniques are the greatest threat to individual privacy in modern times. What is your opinion?
Determine the technical provisions that would be required to ensure data integrity. Evaluate whether the use of a distributed DBMS structure is appropriate.
Find an example of an actual data warehouse. For this example, describe the content, purpose, user access methods, and sources of data
The system should support notifications to management personnel whenever their direct reports have submitted documentation. The system should also notify employees if their deadline to complete professional-development requirements is approaching ..
Create use case to describe a typical sales process. Then make a sequence diagram for use case.
Draw an EER Diagram with the given entities with the attributes listed - implement EER Diagram.
In physical database design, referential integrity constraints can be defined. What actions does referential integrity constraint prevent from happening when data is inserted in table which contains this constraint?
Create an Entity-Relationship (E-R) Diagram relating the tables of your database schema through the use of graphical tools in Microsoft Visio or an open source alternative such as Dia
Use technology and information resources to research issues in database systems. Write clearly and concisely about relational database management systems using proper writing mechanics and technical style conventions.
Write a join query that for every order placed on September 5, 1998, (use '05-SEP-1998') will list the order number and order date along with the customer number, last name, and first name of the customer who placed the order
Draw an entity relationship diagram (ERD) for the following situation: A company has a number of employees. Each employee is identified by an Employee_Id. The company wants to store Employee_Name, Employee_Address, and Employee_BirthDate in the dat..
Give a primary key for each relation. Are there any relations for which there is an alternate candidate key which you have not chosen as the primary key? Why or why not?
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