Exam 4: Relational Databases

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The abstract representation of the contents of a database is called the

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Shandra Bundawi is a new graduate who has been hired by an old-line,family-owned furniture manufacturing company in the northeast.She has been asked to analyze the company's accounting information system and to recommend cost-effective improvements.After noting that the production and sales departments use database systems that are entirely separated,she recommends that they be combined.Implementation of her recommendation would benefit the company by contributing to data

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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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Using a file-oriented approach to data and information,data is maintained in

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The logical structure of a database is described by the

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

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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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Scuz Bootes has been doing custom choppers,piercings,and tattoos for over thirty years.His home and place of business is a garage in the harbor district of Seattle,Washington.He has meticulous records of every job he has ever done,carefully handwritten with the customer name and address,a description of the job,and an attached picture of the bike or body part before and after customization.His unique style has recently attracted the attention of national media after several celebrities sought him out and showcased his work.Business is booming.Consequently,Scuz has hired you to construct an accounting information system,beginning with the historical records.You begin development of the relational database that will form the core of the AIS by envisioning the record stored in a single table with a column that represents each attribute.You then begin to break this table down into smaller tables.This process is called

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Which statement is true regarding file systems?

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Dana Halsey is chair of the Purebred Marmoset Society,which maintains a database of registered purebred marmosets and their breeding history.One table will store the name,birth date,and other characteristics of all of the marmosets that have been registered.Each marmoset is uniquely identified by a registration number.A second table will contain data that link each marmoset to its male and female parents by means of their registration numbers.The primary key in the second table is:

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The database design method in which a designer uses knowledge about business processes to create a diagram of the elements to be included in the database is called

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Scuz Bootes has been doing custom choppers,piercings,and tattoos for over thirty years.His home and place of business is a garage in the harbor district of Seattle,Washington.He has meticulous records of every job he has ever done,carefully handwritten with the customer name and address,a description of the job,and an attached picture of the bike or body part before and after customization.His unique style has recently attracted the attention of national media after several celebrities sought him out and showcased his work.Business is booming.Consequently,Scuz has hired you to construct an accounting information system,beginning with the historical records.As you read through the records,you notice that some describe multiple services.For example,Sheila Yasgur (notation: won lottery)got a custom chopper,multiple tattoos,and piercings in undisclosed locations (no pictures.)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 of the following would not be found in a data dictionary entry for a data item?

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Dana Halsey is chair of the Purebred Marmoset Society,which maintains a database of registered purebred marmosets and their breeding history.One table will store the name,birth date,and other characteristics of all of the marmosets that have been registered.Each marmoset is uniquely identified by a registration number.A second table will contain data that link each marmoset to its male and female parents by means of their registration numbers.The entities described by the first table are:

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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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Describe the information that is contained in the data dictionary.

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Dana Halsey is chair of the Purebred Marmoset Society,which maintains a database of registered purebred marmosets and their breeding history.One table will store the name,birth date,and other characteristics of all of the marmosets that have been registered.Each marmoset is uniquely identified by a registration number.A second table will contain data that link each marmoset to its male and female parents by means of their registration numbers.The primary key in the first table is:

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All of the following are benefits of the database approach except:

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Inability to add new data to a database without violating the basic integrity of the database is referred to as the

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