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What is complex data binding?
What advantages can this capability lend to a multiple-table database application?
Present an example of a situation where complex binding would be appropriate in an application and discuss why this approach is needed in this scenario.
Evaluate the data. Select the data mining techniques that could be used. Interpret and translate the mining results into an actionable business strategy.
Athabasca University has about 32,000 students between the ages of 17 to 60. Consider the AU student relation with the following schema.
How does this ranking compare with ranking obtained using the cosine similarity measure in Exercise 20? If there are differences between the rankings, then discuss why you think these differences occurred.
Draw an ERD containing the order and customer entity types connected by a 1-M relationship from customer to order. Choose an appropriate relationship name using your common knowledge of interactions between customers and orders.
Design data access objects (DAOs) to support the data requirements of the use case you described in Assignment 3' and document your design with a detailed class diagram showing all attnbutes and methods required by the DAOs.
Write the proper sequence of activities in the design of a video rental database. The initial ERD is shown in above (or refer to textbook figure 9.9). The design must support all rental activities, customer payment tracking, and employee work sche..
Write an application that creates a database named Personnel. The database should have a table named Employee, with columns for employee ID, named position, and hourly pay rate.
Find an example of an actual data warehouse. For this example, describe the content, purpose, user access methods, and sources of data
What is meant by cardinality of a relationship? Your answer requires to be thorough and specific. Be sure to include the two types of cardinality
Given the following data types of some table fields and the simple schema of the relational database they are a part of, inspect its relationships for any referential integrity violations
Create a database design specification (Enhanced Entity Relationship Diagram (EERD) and Relational Data Model (RDM)) from the given business description. The RDM must be in 3rd Normal Form.
Write a program that calculates the annual cost of running an appliance. The program will ask the user for the cost per kilowatt-hour and the number of kilowatt-hours the appliance uses in a year:
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