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We want to construct a database for a world-wide package delivery company (e.g., DHL). The database must be able to keep track of customers who ship items and customers who receive items (some customers may do both). For each customer, the database needs
to store the customer ID, name and address. Each package must be trackable, so the database must store the locations through which the package has gone. For each location, the database needs to store the location ID, the city name and the country name. For each package, the database must store the package ID and the weight.
(a) Draw an E-R diagram that reflects the above reuirements.
(b) Define a set of relational schemas and identify primary and foreign keys. Try not to include redundant schemas.
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Create a Microsoft Access database. Create the tables, fi elds, data types, and primary key(s) for the database. Create the relationship(s) needed between the tables.
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Create a database for Ray. He is interested in movies and wants to keep information on movies, actors, and directors in a database. The only user is Ray, and he needs to produce reports.
Design and build a prototype data warehouse using the data on Spend over £25,000 in the Science and Technology Facilities Council
What is the importance to have a button that takes you back to the main page on each web page? How does dead end or orphan pages affect the continuity of a website?
Explain how you will visually represent the data for the sales of the individual stores and for the time period shown. You want to show the change in sales for each store over time for the past three years.
The first part is to create a database and some tables which will be appropriate for a home-budgeting application. That portion of the assignment should be completed from the MySQL console command line.
Use Cases Perform a requirements analysis for the Case Study
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First, specify the foreign keys for this schema, stating any assumptions you make. Next, populate the relations with a few example tuples.
Draw the E/R diagrams for the business rules
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