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1. Design a relational database containing information about music composers, their lives, and their compositions. (Avoid redundancies similar to those in Figure 9.4)
Knowing the customers for targeted advertising. The board would like to know which type of customers (age or gender) are more interested in which types of cars (type)
Determine requirements (hardware, software) and time necessary for the deployment of a data warehousing solution. Assignment: Determine requirements and timing deployment of a data warehousing solution
What is online analytical processing? How is OLAP related to databases? What is a pivot table, and how are pivot tables and OLAP related?
The objective of the assignment is to apply and consolidate skills acquired in the requirement and analysis disciplines through analysis of a simple case study, and to express the results through the relevant UML diagrams.
Create a Microsoft Visio entity-relationship diagram (ERD), based on the relations in the Entities and Attributes for Fleet Truck Maintenance file and any additional information needed to normalize the database.
Assume we have TINGEN, a multi-core mobile processor. As writing an application in assembly language for the certain device, we have two selections concerning code optimization.
Write the following procedures: woman_wants_to_enter, man_wants_to_enter, woman_leaves, man_leaves, using counters and sychronisation techniques to ensure that the correct behaviour will occur.
1. create a function that returns the day of the week for a specified date.create or replace function
Give an example of a view on Emp that would be impossible to update (auto- atically) and explain why your example presents theupdate problem that it does.
Identify a relational algebra tree (or a relational algebra expression if you prefer) that reflects the order of operations a decent query optimizer would choose.
Scenario A: the company has a great deal of external and internal data that must be accessed randomly
Show all the data in each of the four tables. Do not show foreign key columns. Write names and e-mail addresses for all customers who have had a stove repair that cost more than $50.
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