OMIS 350 Exam 3 SELU
Which of the following technologies would you use to analyze the social media data collected by a major online retailer
Hadoop
Which of the following is the most prominent data manipulation language today
SQL
A one-to-many relationship between two entities is symbolized in a diagram by a line that ends with:
a crow's foot topped by a short mark
Which of the following is software that handles all application operations between browser-based computers and a company's back-end business applications or databases
application server software
A characteristic or quality that describes a particular database entity is called a
attribute
All of the following are technologies used to analyze and manage big data except
cloud computing
Which of the following occurs when the same attribute in related data files has different values
data inconsistency
__________ creates confusion that hampers the creation of information systems that integrate data from different sources
data redundancy
In a large organization, which of the following functions would be responsible for physical database design and maintenance
database administration
A schematic of the entire database that describes the relationships in a database is called a
entity-relationship diagram
All of the following are issues with the traditional file environment except:
inability to develop specialized applications for functional areas
Which of the following is not one of the benefits of a blockchain database
it enables firms to create and verify translations on a network very rapidly
A field identified in a record as holding the unique identifier for that record is called the
key field
A field identified in a table as holding the unique identifier of the table's records is called the
primary key
A database ___________ describes a database entity
record
In a relational database, the three basic operations used to develop useful sets of data are
select, project, and join
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?
sentiment analysis software
Which of the following is not one of the techniques used in web mining
server mining
___________ tools are used to analyze large unstructured data sets, such as emails, memos, and survey responses to discover patterns and relationships
text mining
A data lake is composed of
unstructured and structured data that has not been analyzed
Which of the following would you use to find patterns in user interaction data recorded by a web server
web usage mining