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The process of streamlining data to minimize redundancy and awkward many-to-many relationships is called:


A) normalization.
B) data scrubbing.
C) data cleansing.
D) data administration.
E) data management.

F) A) and E)
G) A) and D)

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A DBMS makes the:


A) relational database available for different analytical views.
B) logical database available for different analytical views.
C) physical database available for different relational views.
D) relational database available for different physical views.
E) physical database available for different logical views.

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

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Data mining is more ________ than OLAP.


A) data-focused
B) multidimensional
C) query oriented
D) discovery driven
E) streamlined

F) C) and D)
G) A) and D)

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What is the purpose of a DBMS's data definition function?


A) Storing and managing the data in the database
B) Storing definitions of data elements
C) Normalizing the database
D) Structuring the database
E) Ensuring consistency of relationships

F) A) and C)
G) A) and B)

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Which of the following best illustrates the relationship between entities and attributes?


A) The entity CUSTOMER with the attribute PRODUCT
B) The entity CUSTOMER with the attribute ADDRESS
C) The entity PRODUCT with the attribute PURCHASE
D) The entity PRODUCT with the attribute CUSTOMER
E) The entity ADDRESS with the attribute CUSTOMER

F) None of the above
G) A) and B)

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A(n) ________ is a dedicated computer in a client/server environment that hosts a DBMS.


A) web server
B) online server
C) database server
D) client server
E) application server

F) A) and D)
G) A) and C)

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Which of the following would you use to find patterns in user interaction data recorded by web servers?


A) Web usage mining
B) Web server mining
C) Web structure mining
D) Web content mining
E) Web protocol mining

F) A) and E)
G) None of the above

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In a relational database, the three basic operations used to develop useful sets of data are:


A) select, project, and where.
B) select, join, and where.
C) select, project, and join.
D) select, from, and join.
E) who, what, and where.

F) All of the above
G) B) and D)

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A(n) ________ is a structured survey of the accuracy and level of completeness of the data in an information system.


A) data quality audit
B) systems analysis
C) systems audit
D) data analysis
E) data overview

F) A) and D)
G) C) and D)

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Describe the process of querying and reporting in a database using DBMS.

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DBMS include tools for accessing and man...

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Which of the following database types would be best suited for storing multimedia?


A) SQL DBMS
B) Open-source DBMS
C) Non-relational DBMS
D) Cloud-based database
E) NoSQL DBMS.

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

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What are the relationships that the relational database is named for?


A) Relationships between rows and columns
B) Relationships between entities
C) Relationships between fields and records
D) Relationships between databases
E) Relationships between attributes

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

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A physical view shows data as it is organized on the storage media.

A) True
B) False

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A characteristic or quality describing an entity is called a(n) :


A) field.
B) tuple.
C) key field.
D) attribute.
E) table.

F) A) and B)
G) A) and E)

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A table that links two tables that have a many-to-many relationship is often called a(n) :


A) derived table.
B) intersection relation.
C) foreign table.
D) entity-relationship table.
E) derived relation.

F) D) and E)
G) B) and C)

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Pre-configured hardware-software systems that use both relational and non-relational technology optimized for analyzing large datasets are referred to as:


A) hybrid DBMS.
B) Hadoop.
C) BI.
D) analytic platforms.
E) data marts.

F) C) and D)
G) A) and D)

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The most basic business database is comprised of:


A) three tables: for suppliers, parts, and sales.
B) four tables: for customers, suppliers, parts, and sales.
C) four tables: for customers, suppliers, sales, and employees.
D) five tables: for customers, employees, suppliers, parts, and sales.
E) attributes instead of tables.

F) A) and D)
G) A) and B)

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Detecting and correcting data in a database or file that are incorrect, incomplete, improperly formatted, or redundant is called:


A) data auditing.
B) defragmentation.
C) data scrubbing.
D) data optimization.
E) data repair.

F) D) and E)
G) A) and C)

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In terms of the data relationships found by data mining, sequences refers to:


A) events linked over time.
B) patterns that describe a group to which an item belongs.
C) occurrences linked to a single event.
D) undiscovered groupings.
E) classifications when no groups have yet been defined.

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

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The logical view of a database:


A) shows how data are organized and structured on the storage media.
B) presents an entry screen to the user.
C) allows the creation of supplementary reports.
D) presents data as they would be perceived by end users.
E) shows the relationships between entities and attributes.

F) B) and D)
G) A) and B)

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