A database system that stores the entire database in random access memory is known as a(n) ____

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Is a database management system that stores the entire database in random access memory RAM?
What is a database system quizlet?
What is a database DBMS quizlet?
What is a database used for quizlet?

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Terms in this set (15)

_____ is the term used to describe enormous and complex data collections that traditional data management software, hardware, and analysis processes are incapable of handling.

a.
Data warehouse
b.
Data mart

c.
Big data
d.
Knowledge base

big data

Haley's employer has asked her to review a database containing thousands of social media posts about their company's products and extract the data the executive team needs to make decisions about these products and their marketing. In terms of the characteristics of big data, Haley is focusing on ________.

a.
volume
b.
value

c.
velocity
d.
veracity

Value

Barry's job responsibilities include helping maintain a large database that holds business information from over a dozen source systems, covering all aspects of his company's processes, products, and customers. This database contains not only enterprise data but also data from other organizations. Barry works with a(n) _____.

a.
data mart

b.
data lake

c.
data warehouse

d.
in-memory database

data warehouse

Which of the following is required to create a traditional data warehouse but NOT a data lake?

a.
Extract Transform Load process

b.
raw data

c.
data storage

d.
OLTP system and/or other data source(s)

Extract Transform Load Process

A _____ is a subset of a data warehouse that is used by small- and medium-sized businesses and departments within large companies to support decision making.

a.
data dictionary
b.
data model

c.
data mart
d.
data mine

data mart

One key difference between a relational database and a NoSQL database is _____.

a.
where data comes from

b.
the way data storage and retrieval are modeled

c.
which vendors provide applicable software tools

d.
the data backup and recovery procedure

the way data storage and retrieval are modeled

Donna is a member of a team trying to select the best type of database for a business problem. If the database must handle a variety of data, she would like to store the data on a group of servers, and the data structures must be very flexible, what would you suggest?

a.
Either a NoSQL or a relational database would be a good fit.

b.
Neither a NoSQL nor a relational database would be a good fit.

c.
A relational database would likely be a better fit than a NoSQL database.

d.
A NoSQL database would likely be a better fit than a relational database.

a NOSQL database would likely be a better fit than a relational database

A database system that stores the entire database in random access memory is known as a(n) _____.

a.
relational database

b.
HDFS database

c.
in-memory database

d.
NoSQL database

in-memory database

Which of the following is the LEAST essential characteristic for success as a data scientist?

a.
strong business acumen

b.
a deep understanding of analytics

c.
a healthy appreciation of the limitations of their data

d.
business leadership skills

business leadership

What determines the size of words in a word cloud?

a.
length of the word or phrase

b.
difficulty in pronouncing the word or phrase

c.
whether the word is a noun or verb

d.
frequency of occurrence of the word in source documents

frequency of occurrence of the word in source documents

The graphical representation that summarizes the steps a consumer takes in making the decision to buy your product and become a customer is called _____.

a.
a word cloud

b.
a conversion funnel

c.
a scatter diagram

d.
a pivot chart

a conversion funnel

_____ is used to explore large amounts of data for hidden patterns to predict future trends.

a.
Data governance

b.
Data mining

c.
Regression analysis

d.
A genetic algorithm

data mining

____ is the last phase of the six-phase CRISP-DM method.

a.
Evaluation

b.
Modeling

c.
Business understanding

d.
Deployment

deployment

To identify and make predictions about various alternative scenarios, a manager would use _______.

a.
simulation techniques

b.
descriptive analytics

c.
optimization techniques

d.
visual analytics

simulation techniques

The purpose of business intelligence is to _____.

a.
provide access to novel tools to end users

b.
reduce the cost of data processing

c.
support improved decision making

d.
improve employee morale

support improved decision making

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Is a database management system that stores the entire database in random access memory RAM?

An in-memory database keeps all its data in the random access memory (RAM) of a computer. Only the main memory is accessed when querying data. This allows for faster access of that data than a disk-based system.

What is a database system quizlet?

database. A shared, integrated computer structure that houses a collection of related data. It contains two types of data: end-user data (raw facts) and metadata. The metadata consist of data about data, that is, the data characteristics and relationships. database design.

What is a database DBMS quizlet?

DBMS. (Database Management System) A collection of inter-related data that contains programs to store & access that data in an easy and effective manner.