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A(n)___________ key in the relational database model is a primary key of one table that appears as an attribute in another table.

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A _______________ key is a field that uniquely identifies a given entity in a table.

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What is a backward integration?


A) Takes information entered into a given system and sends it to the application-generation component.
B) Takes information entered into a given system and sends it automatically to all downstream systems and processes.
C) Takes information entered into a given system and sends it automatically to all upstream systems and processes.
D) Takes information entered into a given system and sends it to the DBMS.

E) B) and C)
F) A) and C)

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Which of the following is incorrect in reference to a database?


A) Can be relational or network.
B) Information is accessed by logical structure.
C) Information is accessed by physical structure.
D) Users can access different views of information.

E) All of the above
F) B) and C)

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One of the advantages found in a relational database is increased information redundancy.

A) True
B) False

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Which of the following is correct in reference to a database?


A) A database can support only one logical view.
B) A database can support many physical views.
C) A database can support many logical views.
D) A database can support up to three logical views.

E) A) and B)
F) All of the above

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What are the rules that enforce basic and fundamental information-based constraints?


A) Information integrity
B) Integrity constraint
C) Business-critical integrity constraint
D) Relational integrity constraint

E) All of the above
F) A) and C)

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What is a forward integration?


A) Takes information entered into a given system and sends it to the application-generation component.
B) Takes information entered into a given system and sends it automatically to all downstream systems and processes.
C) Takes information entered into a given system and sends it automatically to all upstream systems and processes.
D) Takes information entered into a given system and sends it to the DBMS.

E) B) and C)
F) A) and B)

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A data-driven website is an interactive website kept constantly updated and relevant to the needs of its customers through the use of a database.

A) True
B) False

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Describe the role and purpose of a database management system.

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A database management system (DBMS)is so...

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Which of the following measures how quickly a system performs a certain process or transaction?


A) Scalability
B) Performance
C) Redundancy
D) Information integrity

E) C) and D)
F) A) and B)

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Which of the following types of information can be found in a database?


A) Inventory
B) Transactions
C) Employees
D) All of these

E) All of the above
F) A) and D)

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What is a foreign key?


A) A field (or group of fields) that uniquely identifies a given entity in a table.
B) A primary key of one table that appears as an attribute in another table and acts to provide a logical relationship between the two tables.
C) Characteristics or properties of an entity.
D) A field (or group of fields) that uniquely identifies a given attribute in a table.

E) A) and D)
F) B) and C)

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The ________ view of information focuses on how users logically access information to meet their particular business needs.

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Which of the following is not an advantage of building a data-driven website?


A) Minimizes human error.
B) Cuts production and update costs.
C) Improves or maximizes stability.
D) Minimizes or reduces efficiency.

E) A) and B)
F) C) and D)

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What is information redundancy?


A) Duplication of information.
B) Storing the same information in multiple places.
C) Storing duplicate information in multiple places.
D) All of these.

E) None of the above
F) B) and C)

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Ideally,an organization wants to build only forward integrations.

A) True
B) False

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Which of the following is true in regard to eliminating redundant information?


A) Uses additional hard disk space.
B) Makes performing information updates harder.
C) Improves information quality.
D) All of these.

E) A) and C)
F) B) and C)

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Which of the following is a valid type of integrity constraint?


A) Relational-critical integrity constraint
B) Business integrity constraint
C) Relational integrity constraint
D) Business-critical integrity constraint

E) A) and C)
F) B) and C)

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All of the following are advantages of database-stored information except:


A) Increased flexibility
B) Increased performance
C) Increased information redundancy
D) Increased information integrity

E) A) and B)
F) A) and D)

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