Chapter 6
In place of application server software to allow a Web server to communicate with a back-end database, you can use
CGI.
All of the following are technologies used to analyze and manage big data except
Cloud computing
Which of the following technologies would you use to analyze the social media data collected by a major online retailer
Hadoop
The tool that enables users to view the same data in different ways using multiple dimensions is
OLAP.
________ tools are used to analyze large unstructured data sets, such as e-mail, memos, survey responses, etc., to discover patterns and relationships.
Text mining
Which of the following is not a method for performing a data quality audit?
Which of the following is not a method for performing a data quality audit?
You work for a national car rental agency and want to determine what characteristics are shared among your most loyal customers. To do this, you will want to use data mining software
classification.
Which common database challenge is illustrated by a person receiving multiple copies of an L.L. Bean catalog, each addressed to a slightly different variation of his or her full name?
data inconsistency
Detecting and correcting data in a database or file that are incorrect, incomplete, improperly formatted, or redundant is called
data scrubbing.
The special organizational function whose responsibilities include physical database design and maintenance is called
database administration.
Big data does not refer to
datasets with fewer than a billion records.
Data cleansing not only corrects errors but also
enforces consistency among different sets of data.
Data mining is a tool for allowing users to
find hidden relationships in data.
A data warehouse is composed of
historic and current internal data.
You work for a retail clothing chain whose primary outlets are in shopping malls, and you are conducting an analysis of your customers and their preferences. You wish to find out if there are any particular activities that your customers engage in, or the types of purchases made in the month before or after purchasing select items from your store. To do this, you will want to use data mining software that is capable of
identifying sequences.
The organization's rules for sharing, disseminating, acquiring, standardizing, classifying, and inventorying information is called a(n)
information policy.
In terms of data relationships, associations refers to
occurrences linked to a single event.
A household appliances manufacturer has hired you to help analyze their social media datasets to determine which of their refrigerators are seen as the most reliable. Which of the following tools would you use to analyze this data?
sentiment analysis software
Which of the following is not one of the techniques used in Web mining?
server mining
OLAP is a tool for enabling
users to obtain online answers to ad-hoc questions in a rapid amount of time.