BMIS Final Ch6

________ creates confusion that hampers the creation of information systems that integrate data from different sources.

*A. Data redundancy* B. Batch processing C. Data quality D. Data independence E. Online processing

In data mining, which of the following involves using a series of existing values to determine what other future values will be?

*A. Forecasting* B. Associations C. Classifications D. Clustering E. Sequences

The fact that a traditional file system cannot respond to unanticipated information requirements in a timely fashion is an example of which of the following issues with traditional file systems?

*A. Lack of flexibility* B. Lack of data sharing C. Program-data dependence D. Data redundancy E. Poor security

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

*A. The entity CUSTOMER with the attribute PURCHASE* B. The entity PURCHASE with the attribute CUSTOMER C. The entity CUSTOMER with the attribute PRODUCT D. The entity PRODUCT with the attribute CUSTOMER E. The entity PRODUCT with the attribute PURCHASE

Data mining allows users to:

*A. find hidden relationships in data.* B. summarize massive amounts of data into much smaller, traditional reports. C. access the vast amounts of data in a data warehouse. D. quickly compare transaction data gathered over many years. E. obtain online answers to ad-hoc questions in a rapid amount of time.

A ________ is an example of pre-digital data storage that is comparable to a database.

*A. library card catalog* B. cash register receipt C. schedule of due dates on a project outline D. list of sales totals on a spreadsheet E. doctor's office invoice

You are creating a database to store temperature and wind data from various airports. Which of the following fields is the most likely candidate to use as the basis for a primary key in the Airport table?

A. Address *B. Airport code* C. Day D. City E. State

Which of the following is not one of the techniques used in web mining?

A. Content mining B. Structure mining C. Data mining *D. Server mining* E. Usage mining

Which of the following occurs when the same attribute in related data files has different values?

A. Data duplication *B. Data inconsistency* C. Data redundancy D. Data discrepancy E. Data dependence

Which of the following tools enables users to view the same data in different ways using multiple dimensions?

A. Data mining B. Hadoop *C. OLAP* D. Predictive analysis E. SQL

A household appliances manufacturer has hired you to help analyze its social media datasets to determine which of its refrigerators are seen as the most reliable. Which of the following tools would you use to analyze this data?

A. Data mining software B. Data governance software C. Text mining tools *D. Sentiment analysis software* E. Web mining technologies

Which of the following is an automated or manual file that stores information about data elements and data characteristics such as usage, physical representation, ownership, authorization, and security?

A. Data table *B. Data dictionary* C. Entity-relationship diagram D. Data definition diagram E. Relationship dictionary

________ tools are used to analyze large unstructured data sets, such as e-mail, memos, and survey responses to discover patterns and relationships.

A. OLAP B. Classification *C. Text mining* D. In-memory E. Clustering

Which of the following technologies would you use to analyze the social media data collected by a major online retailer?

A. OLAP B. Data mart *C. Hadoop* D. DBMS E. Data warehouse

Which of the following is a grouping of characters into a word, a group of words, or a complete number?

A. Tuple *B. Field* C. Table D. File E. Entity

The logical view of a database:

A. allows the creation of supplementary reports. B. includes a digital dashboard. C. displays the organization and structure of data on the physical storage media. D. enables users to manipulate the logical structure of the database. *E. presents data as they would be perceived by end users.*

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

A. data defining. B. data scrubbing. C. optimization. D. data cleansing. *E. normalization.*

A schematic of the entire database that describes the relationships in a database is called a(n):

A. data definition diagram. B. data analysis table. C. intersection relationship diagram. *D. entity-relationship diagram.* E. data dictionary.

The term big data refers to all of the following except:

A. data from Web traffic. B. datasets with fewer than a billion records. *C. datasets with unstructured data.* D. machine-generated data (i.e. from sensors). E. data created by social media (i.e. tweets, Facebook Likes).

An organization's rules for sharing, disseminating, acquiring, standardizing, classifying, and inventorying information is called a(n):

A. data governance policy. B. data policy. C. data quality audit. D. data definition file. *E. information policy.*

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

A. data normalization. B. data auditing. C. data optimization. D. defragmentation. *E. data scrubbing*

All of the following are issues with the traditional file environment except:

A. data sharing. B. poor security. C. data inconsistency. D. lack of flexibility in creating ad-hoc reports. *E. inability to develop specialized applications for functional areas.*

DBMSs typically include report generating tools in order to:

A. display data in graphs. B. retrieve and display data. *C. display data in an easier-to-read format.* D. analyze the database's performance. E. perform predictive analysis

In a table for customers, the information about a single customer resides in a single:

A. field. B. column. C. table. *D. row.* E. entity.

A characteristic or quality that describes a particular database entity is called a(n):

A. field. B. key field. C. tuple. *D. attribute.* E. relationship.

A data warehouse is composed of:

A. internal and external data sources. B. current data. C. historic external data. *D. historic and current internal data.* E. historical data from legacy systems.

All of the following are technologies used to analyze and manage big data except:

A. noSQL. B. Hadoop. C. analytic platforms. *D. cloud computing.* E. in-memory computing.

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

A. primary entity. B. unique ID. C. primary field. D. key field. *E. primary key.*

A DBMS makes the:

A. relational database available for different analytic views. *B. physical database available for different logical views.* C. logical database available for different analytic views. D. physical database available for different analytic views. E. relational database available for different logical views

OLAP enables

A. users to view both logical and physical views of data. *B. users to obtain online answers to ad-hoc questions in a rapid amount of time.* C. programmers to normalize data. D. users to quickly generate summary reports. E. programmers to quickly diagram data relationships