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A DBMS is special software for creating, storing, organizing, and accessing data from a database.

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Both Oracle and Microsoft Access use SQL to retrieve information from a database.

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In terms of the data relationships found by data mining, associations 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) classification when no groups have yet been defined.

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Imagine you are running a growing business with an active presence on social media. How would you better understand what your customers think about your business using these platforms?

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Text mining and web mining techniques wo...

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Every record in a file should contain at least one key field.

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Relational database systems use ________ to ensure that relationships between coupled tables remain consistent.


A) intersection relations
B) one-to-one ordering
C) entity-relationship diagrams
D) foreign keys
E) referential integrity rules

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Hadoop can process large quantities of any type of data, including video and Twitter feeds.

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A field identified in a record as holding the unique identifier for that record is called the:


A) primary key.
B) key field.
C) primary field.
D) foreign key.
E) identifying field.

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Access is a:


A) DBMS for mobile devices.
B) popular open-source DBMS.
C) DBMS for midrange computers.
D) DBMS for desktop PC systems.
E) DBMS for mainframe computers.

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Links pointing to an online document are a sign of:


A) richness or variety of topics covered.
B) popularity.
C) data quality.
D) data usage.
E) marketing.

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List and describe three main capabilities or tools of a DBMS.

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A DBMS includes capabilities and tools f...

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All of the following are tools or technologies for extracting information from unstructured data sets except:


A) sentiment analysis software.
B) SQL queries.
C) Hadoop.
D) a non-relational DBMS.
E) text mining.

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DBMS typically include report-generating tools in order to:


A) retrieve and display data.
B) display data in tables.
C) display data in graphs.
D) perform predictive analysis.
E) display data in an easier-to-read-format.

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Which of the following is an example of a company whose business model is based on access to large databases through the web?


A) Gartner
B) Fortune
C) IBM
D) Microsoft
E) Facebook

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Data cleansing is the same process as data scrubbing.

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The smallest unit of data a computer can handle is called a:


A) file.
B) record.
C) field.
D) byte.
E) bit.

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Describe the ways in which database technologies could be used by an office stationery supply company to achieve low-cost leadership.

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Student answers will vary; an example an...

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Which of the following is an example of a pre-digital database?


A) A library's card-catalog
B) A cash register receipt
C) A doctor's office invoice
D) A list of sales totals on a spreadsheet
E) An SQL database

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A data warehouse may include information from legacy systems.

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A field identified in a table as holding the unique identifier of the table's records is called the:


A) primary key.
B) key field.
C) primary field.
D) foreign key.
E) identifying field.

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