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Need a system that networks its 3 campuses in the US and one campus in Singapore. Transaction data for all campuses should be available to all locations. In addition, students should be able to use the Internet to view classes, enroll, register, and pay fees. The Singapore international location will be launched 6 months after the new system is ready. It is important that issues related to the international location be addressed now. Prepare a set of non-functional requirements, including operational, performance security, and cultural and political for the fore mentioned scenario:
Data Modeling and Normalization
Looking at the predictive accuracy (Percent correct) results for tree learning on these data sets, has learning improved accuracy over the baseline ?
Create an ERD and relatioal schema in third normal form based upon the following business rules. (Hint: ensure that all attributes are FULLY DETERMINED by the primary key.) Don't forget to place your normalization arrows on your relational schema.
Demonstrate the basic mechanisms for accessing relational databases from various types of application development environments.
1.modify the database by adding an additional column deleteddate to those tables that represent entities that could
Write the functional dependencies in the table which concerns invoicing (an application Premiere Products is considering adding to its database), subject to the specified conditions.
Controls which need a database to either execute transaction completely or not at all.
In 250 - 300 words describe role of a database administrator and the tasks performed by this role. Also, describe why this role is important in Database Management.
Several times, database triggers are utilized to record logins by users. Here is the example of login trigger that inserts row into table every time a user connects.
Draw a DFD (Context and Level 1) for placing an order based on the E-R diagram shown here.
Assume the data warehousing system is centralized, and implemented in the environment of Microsoft SQL Server 2012. As we discussed in the introduction, each store has its own local database.
Illustrate relational algebra expressions for names of all salespeople, names of all salespeople having ORDER row and names of salespeople not having ORDER row.
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