Chapter 5
Which of the following is NOT a problem associated with Big Data?
Big Data can be structured, unstructured, or semi-structured.
________ refers to the maximum number of times an instance of one entity can be associated with an instance in the related entity.
Cardinality
Africa collaborated with ________ to stop the Ebola virus outbreak in 2013 and 2014.
IBM
Data marts and data warehouses typically use ________.
OLAP
________ is the most popular query language used for interacting with a database.
SQL
Considering the following tables, ________ is a primary key.
Student Table: ID
________ is the cumulative store of subjective or experiential learning.
Tacit knowledge
A ________ is a group of eight ________.
byte; bits
Suppose you work for XYZ Corporation. You know you can contribute 6% of your salary to a 401K and the company will match that 100% after 6 years of service because it is in the employee handbook. This is an example of ________.
explicit knowledge
All the information about you in your university's database is a(n) ________.
instance
Databases ________ inconsistency; this means ________.
minimize; various copies of the data do not agree
Normalization is a method for analyzing and reducing a relational database to its most streamlined form to ensure ________ redundancy, ________ data integrity, and optimal processing performance.
minimum; maximum
Data marts can be implemented ________ compared to data warehouses.
more quickly
A circle with a "chicken leg" to the entity represents the ________ cardinality symbol.
optional many
A ________ generally describes an entity.
record
Database systems minimize ________.
redundancy
Jana is a mobile startup designed to ________.
reward users with data in exchange for collecting their personal information when sampling apps
You recently inherited an Alvin and The Chipmunks "A Chipmunk Christmas" record. Since you don't have a record player, you need to find a way to convert the record into a CD. This is an example of data ________.
rot
Industry experts estimate that 80-90 percent of data in an organization is ________.
unstructured
Knowledge management is a process that helps organizations manipulate important knowledge that comprises part of the organization's memory, usually in a(n) ________ format.
unstructured