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A _ _ _ _ _ is a description that involves telling the database management system ( DBMS ) the logical and physical structure of

A _____ is a description that involves "telling" the database management system (DBMS) the logical and physical structure of the data and the relationships among the data for each user.
Group of answer choices
query
record
schema
field
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Question 21 pts
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.
Group of answer choices
data dictionary
data model
data mart
data mine
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Question 31 pts
A ______ is a collection of instructions and commands used to define and describe data and relationships in a specific database.
Group of answer choices
data dictionary
schema
data definition language
data manipulation language
Flag question: Question 4
Question 41 pts
A(n)_____ is a field or set of fields in a record that uniquely identifies the record.
Group of answer choices
attribute
entity
primary key
data item
Flag question: Question 5
Question 51 pts
At Coast-to-Coast Moving and Van Lines, Ryan is responsible for managing the flow of the company's data, from initial acquisition of new data to deletion of old, outdated data. Ryan is involved in ___________.
Group of answer choices
data stewardship
data lifecycle management
database administration
data management
Flag question: Question 6
Question 61 pts
What is the primary difference between an entity and an attribute?
Group of answer choices
An attribute is a table; an entity is a column from the attribute table.
An entity is specific, where as an attribute is not data at all but brainstorming ideas that take place before the entity is created.
An attribute refers to applications, and an entity refers to executives.
An entity is information about people, places, or events, where as an attribute is a column or specific field of the data elements associated with an entity.
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Question 71 pts
A data model is a diagram of data attributes and their relationships.
Group of answer choices
True
False
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Question 81 pts
When you connect to the university library website to find out whether the library has an article you want to read, and the site then interacts with a database that contains a catalog of library books and articles to determine whether the book you want is available, the database management system functions as a(n)__________ to query the database and provide the requested information to the website.
Group of answer choices
data dictionary
electronic exchange
back-end application
front-end application
Flag question: Question 9
Question 91 pts
Data warehouses allow managers to _____ to get increasing levels of detail about business conditions.
Group of answer choices
roll up
drill down
slice and dice
extract data
Flag question: Question 10
Question 101 pts
Each attribute in a relational database model can be constrained to a range of allowable values called a _____.
Group of answer choices
bandwidth
scope
slot
domain
Flag question: Question 11
Question 111 pts
Unstructured data comes from sources such as word-processing documents and scientific research.
Group of answer choices
True
False
Flag question: Question 12
Question 121 pts
Haley's employer has asked her to review tens of thousands of social media posts about their company's products and compile this data into a database. In terms of the characteristics of big data, Haley is dealing with ________.
Group of answer choices
volume
variety
velocity
veracity
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Question 131 pts
Some databases use ______, which is a visual approach to developing queries and requests.
Group of answer choices
Query by Example (QBE)
user views
Structured Query Language (SQL)
data manipulation language (DML)
Flag question: Question 14
Question 141 pts
Carlos is working with an existing database, but he wants to eliminate some of the columns in the table to create a new, more streamlined database. He will use projection to create his new database.
Group of answer choices
True
False
Flag question: Question 15
Question 151 pts
Suppose a new tech startup wants to define the data model. They would then ____.
Group of answer choices
collect and cleanse the data
define user access privileges
create the entity-relationship model
acquire a new database management system
Flag question: Question 16
Question 161 pts
The position of a _____ is a non-technical position responsible for defining and implementing consistent principles for setting data standards and data definitions that apply across all the databases in an organization.
Group of answer choices
data analyst
data administrator
database administrator
data owner
Flag question: Question 17
Question 171 pts
The smallest piece of data used by a computer is a(n)_____.
Group of answer choices
entity
byte
bit
character

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