Exam 4: Relational Databases

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An attribute in a table that serves as a unique identifier in another table and is used to link the two tables is a

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What are the two ways to query a database using Microsoft Access?

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A data warehouse

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The logical structure of a database is described by the

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Which of the statements below is incorrect?

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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 use of a data warehouse in strategic decision making is often referred to as

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

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List the four DBMS "languages" and describe who uses each and for what purpose.

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

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In a well-structured relational database,

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The document that shows the items stored in a file,including the order and length of the data fields and the type of data stored is called

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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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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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Identify one potential outcome of the delete anomaly.

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Describe the differences between the data definition language (DDL),data manipulation language (DML),and the data query language (DQL).

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

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The ________ is responsible for the database.

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Describe the different schemas involved in a database structure.What is the role of accountants in development of schemas?

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