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