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1. The ASN database and Web site were created and are maintained by two individuals. The database might be complete and accurate, or it might not be. To what extent should you rely on these data? What can you do to decide whether you should rely on the data at this site?
2. Consider the data in Figure 5-18. Do you notice anything that indicates that this figure might not include all accident data? If you believe that not all data is included, what value does this figure have to you? What would be legitimate uses for this data, and what uses are likely to be erroneous?
Does the relational model, as seen by an SQL query writer, provide physical and logical data independence? Explain.
Discuss the advantages of a database management approach to the file processing approach? Give examples to illustrate your answer. Outline the benefits and limitations of the relational database model for business applications today
Write a SELECT statement that joins the Customers, Orders, OrderItems, and Products Tables. This statement should return these columns: LastName, FirstName, OrderDate, ProductName, ItemPrice, DiscountAmount, and Quantity.
Information Gathering Component is very important to a shopping cart system. You really want to develop a good algorithm for it. As a professional practice, you decided to first make a working plan in pseudocode before putting hands.
Create a context level DFD. You should take your DFD to your tutorial for feedback before starting on the ER.
Using IEEE and ACM Database, research on why it is important to use WHITE BOX AND BLACK BOX testing technique to evaluate a software module.
Create a row function and explain its purpose. Create some summarizing data and explain its purpose.
Prepare a report - The report should be related to Business communications.
What is System R? What are its two major subsystems? How is the data structure of System R different from the relational structure? What is Data Independence?
The customer is always right -The customer doesn't know what's best. It's the baker's (marketer's) job to educate him. The above statements succinctly point out a subtle battle which rages within the marketing discipline.
Database and Data Warehousing Design
Convert the example of GEOMETRY_OBJECTS given in section 11.1.5 from the functional notation to the notation given in Figure 11.2 that distinguishes between attributes and operations. Use the keyword INHERIT to show that one class inherits from an..
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