Exam 4: Relational Databases

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Kekoa Konani is chairman of the Chatty Chihuahua Club,where he maintains a database of registered purebred Chihuahuas and their breeding history.One table will store the name,birth date,and other characteristics of all of the registered Chihuahuas.Each Chihuahua is uniquely identified by a registration number.A second table will contain data that link each Chihuahua to its male and female parents by means of their registration numbers.The entities described by the first table are

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Which of the following is false regarding a well-structured relational database?

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Seacrest Bedding is changing from a file-oriented system to a relational database system.Identify and design at least three tables that would be needed to capture data for a sales transaction.Each table should include a primary key,three non-key attributes,and foreign keys as necessary.Make up data values for two records within each table.

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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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In the Customer table below,"Customer #" is best described as In the Customer table below,Customer # is best described as

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The logical structure of a database is described by the

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Which statement is true regarding file systems?

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Describe the information that is contained in the data dictionary.

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In a well-designed and normalized database,which of the following attributes would be a foreign key in a cash receipts table?

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Record layouts,definitions,addresses,and indexes will be stored at the ________ level schema.

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In a well-structured relational database,

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Identify one potential outcome of the delete anomaly.

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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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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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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 a major advantage of database systems over file-oriented transaction processing systems.

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Using the database depicted below,"Date" is best described as Using the database depicted below,Date is best described as

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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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