Database correct answers maintains information about various types of objects (inventory), events (transactions), people (employees), places (warehouse)
Database Management System (DBMS) correct answers creates, reads, updates, and deletes data in database while controlling access and security
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GSU CIS 2010 Modules 8-14 (Final) 100% CORRECT
ANSWERS!!
Database correct answers maintains information about various types of objects (inventory),
events (transactions), people (employees), places (warehouse)
Database Management System (DBMS) correct answers creates, reads, updates, and deletes
data in database while controlling access and security
Query-by-Example (QBE) tool correct answers helps users graphically design the answer to a
question against a database
Structured query language (SQL) correct answers asks users to write lines of code to answer
questions against a database
Data element (or data field) correct answers smallest or basic unit of information
Examples of data elements correct answers customer's name, address, email, discount rate,
preferred shipping method, product name, quantity ordered
Data Models correct answers logical data structures that detail the relationships among data
elements by using graphics or pictures
data dictionary correct answers complies all of the metadata about the data elements in the
data model
examples of metadata correct answers size, resolution, date created, author's name, summary
Metadata correct answers provides details about data
relational database model correct answers stores information in form of logically related 2D
tables
relational database management system correct answers allows users to create, read, update,
and delete data in a relational database
entity (table) correct answers stores information about a person, place, thing, transaction, or
event
attributes (columns or fields) correct answers data elements associated with an entity
record correct answers collection of related data elements
primary key correct answers field or group of fields that uniquely identifies a given record in
a table
foreign key correct answers primary key of one table that appears as an attribute in another
table and acts to provide a logical relationship between 2 tables
, Relational database model correct answers
physical view of information correct answers deals with the physical storage of information
on a storage device
logical view of information correct answers focuses on how individual users logically access
information to meet their own particular business needs
Business Advantages of relational database correct answers
information redundancy correct answers duplication of data, or the storage of the same data
in multiple places
relational integrity constraints correct answers rules that enforce basic and fundamental
information based constraints
business rule correct answers defines how a company performs certain aspects of its business
and typically results in either a yes/no or true/ false answer
example of business rule correct answers merchandise returns are allowed within 10 days of
purchase
business- critical integrity constraints correct answers enforce business rules vital to an
organization's success and often require more insight and knowledge than relational integrity
constraints
blockchain correct answers provides a way for information to be recorded and shared by a
community
digital ledger correct answers bookkeeping list of assets, identified ownership, and
transactions that record the transfer of ownership among participants
Hash and digital signature correct answers protect the blockchain's integrity and anonymity--
each block vouches the integrity of all prior blocks and thereby prevents falsification or
manipulation of prior transactions
miners correct answers complete mathematical problems-- system cannot be hacked by single
source
decentralized correct answers each node in participating computer network has a full copy of
the digital ledger-- network nodes can validate transactions and add them to their copy and
broadcast them to other nodes
data warehouse correct answers logical collection of information, gathered from many
operational databases, that suppose business analysis activities and decisions making tasks
Data warehouse model correct answers
data mart correct answers contains subset of data warehouse information
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