Exam 4: Relational Databases

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When the human resources manager wants to gather data about salary and start date by employees and by departments,the manager would use which language?

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B

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

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B

The ________ is responsible for the database.

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C

Identify one potential outcome of the delete anomaly.

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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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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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The database requirement that foreign keys must be null or have a value corresponding to the value of a primary key in another table is formally called the

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Describe what you think will be the main impact of database technology in your career.

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The data dictionary usually is maintained

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File-oriented approaches create problems for organizations because of

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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,in the Sales table,"Customer #" is best described as Using the database depicted below,in the Sales table,Customer # is best described as

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The schema that provides an organization-wide view of the entire database is known as the

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The combination of the database,the DBMS,and the application programs that access the database through the DBMS is referred to as the

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Creating an empty table in a relational database requires use of the ________,and populating that table requires the use of ________.

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Identify one potential drawback in the design and implementation of database systems for accounting.

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Describe the information that is contained in the data dictionary.

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Using the database depicted below,"Unit Price" is best described as Using the database depicted below,Unit Price is best described as

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Explain the types of attributes that tables possess in a relational database.

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Which of the following would not be found in a data dictionary entry for a data item?

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