Exam 4: Relational Databases

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If a national sales tax were implemented,which language would be used to add a new field in the sales table to track the sales tax due?

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________ is a feature in many database systems that simplifies the creation of reports by allowing users to specify the data elements desired and the format of the output.

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Using the database depicted below,how many primary keys are in the database? Using the database depicted below,how many primary keys are in the database?

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Which one of the following results corresponds to the query below? Which one of the following results corresponds to the query below?

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Suppose a relational database contained two linked tables.Assuming the organization wants the database to be normalized,which of the following items represents a problem to normalization?

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Suppose a relational database contained two linked tables.Which of the following items is not necessarily present in the database?

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Identify the aspect of a well-structured database that is incorrect.

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Reports produced using the data dictionary could include all of the following except a list of

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________ in a well-structured relational database.

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Merlin Frodo has been doing custom piercings and tattoos for over thirty years.His home and place of business is a garage in the harbor district of Seattle,Washington.He keeps meticulous records of every job he has ever completed.These have been entered into a computerized accounting information system that his accountant refers to as a "data warehouse." Merlin is considering adding scarification to his service offerings and has asked his accountant to identify past customers who might be likely candidates for this service.Merlin wants his accountant to engage in

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Explain the difference between file-oriented transaction processing systems and relational database systems.Discuss the advantages and disadvantages of each system.

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Using the database depicted below,"Item #" is best described as Using the database depicted below,Item # is best described as

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Discuss the ways in which a well-designed DBMS will facilitate the three basic functions of creating,changing,and querying data.

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Which of the statements below is incorrect?

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The ________ occurs when more than one occurrence of a specific data item in a database exists.

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Kai Keoni has created custom statues made out of scrap metal for over ten years.He lives above his shop in Martha's Vineyard,Maryland.Kai is an accounting fanatic and has kept detailed records of every statue he has ever created.For every sale,he obtains the customer's name and address,a description of the statue,and a picture of the statue sold to the customer.His unique style has recently attracted the attention of several celebrities.Ready to take his business to the next level,Kai has hired you to construct an accounting information system,which he wants modeled after his paper records.As you look over his records,you realize that some customers bought multiple statues at the same time.For example,Yasmeen Ghuari bought a Tin Man Status,a flying horseman statue,and a terrier statue.You realize that in these cases,a single written record will have to be translated into multiple sales records.This is an example of what type of problem in the existing records?

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What is the difference in logical view and physical view?

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What are the basic requirements when logically designing a relational database model?

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All of the following are benefits of the database approach except

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In a well-structured database,the constraint that ensures the consistency of the data is known as the

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