a grouping of characteristics into a word, a group of words is called a record.
each characteristic or quality describing a particular entity is called an attribute
every record in a file should contain at least one key field
In normalization, complex groupings of data are streamlined to eliminate awkward
Many applications today require databases that can store and retrieve multimedia.
One of the drawbacks to OODBMS is that they cannot work with applets.
OODBMS are slower than relational DBMS.
A data warehouse may include information from legacy systems.
A data warehouse is typically comprised of several smaller data marts
DBMS simplify how end users work with databases by separating the logical and physical views
of the data.
OLAP is a key tool of BI.
OLAP is used to find hidden patterns and relationships in large databases, and infer rules from
these to infer future behavior.
Data mining can be a challenge to individual privacy.
Predictive analysis is a technique of data mining.
Implementing a Web interface for a database requires changes to the database itself.
Common Gateway Interface is a specification for processing data on a Web server.
In linking databases to the Web, the role of the application server is to host the DBMS.
A firm’s information policy lays out who is responsible for updating and maintaining the
information in a database system.
The use of different terms for identifying data in a firm?s various information systems is an
example of redundant data.
Data cleansing is the same process as data scrubbing.
Which of the following is not a true statement about MDM?
It is a quality-of-data concept that is used to identify a company?s most important data.
What is the first step you should take in managing data for a firm?
Identify the data needed to run the business
An example of a pre-digital database is a:
Which of the following best illustrates the relationship between entities and attributes?
The entity CUSTOMER with the attribute ADDRESS
The type of logical database model that treats data as if they were stored in two-dimensional
tables is the:
What are the relationships that the relational database is named for?
Relationships between entities
A characteristic or quality describing an entity is called a(n):
The most basic business database is comprised of:
five tables: for customers, employees, suppliers, products, and sales.
In a table for customers, the information about a single customer would reside in a single:
In a relational database, a record is also called a(n):
A field identified in a table as holding the unique identifier of the table’s records is called the:
A field identified in a record as holding the unique identifier for that record is called the
A schematic of the entire database that describes the relationships in a database is called a(n):
A one-to-one relationship between two entities is symbolized in a diagram by a line that ends
in two short marks.
A one-to-many relationship between two entities is symbolized in a diagram by a line that ends:
with a crow’s foot preceded by a short mark.
A table that links two tables that have a many-to-many relationship is often called a(n):
The process of streamlining data to minimize redundancy and awkward many-to-many
relationships is called:
A DBMS makes the:
physical database available for different logical views.
The logical view of a database:
presents data as they would be perceived by end users
Which of the following is not a typical feature of DBMS?
Query wizard tool
Oracle Database Lite is a:
DBMS for small handheld computing devices.
Access is a
DBMS for desktop systems
My SQL is a:
popular open-source DBMS.
Microsoft SQL Server is a(n):
DBMS for midrange computers.
In a relational database, the three basic operations used to develop useful sets of data are:
select, project, and join.
The select operation:
creates a subset consisting of all records in the file that meets stated criteria.
The join operation:
combines relational tables to provide the user with more information than is otherwise
The project operation:
creates a subset consisting of columns in a table.
The data dictionary serves as an important data management tool by:
creating an inventory of data definitions contained in the database.
A n automated or manual file that stores information about data elements and data
characteristics such as usage, physical representation, ownership, authorization, and security is
The specialized language programmers use to add and change data in the database is called:
data definition language.
The most prominent data manipulation language today is:
DBMS typically include report-generating tools in order to:
display data in an easier-to-read format
The type of database management approach that can handle multimedia is the:
Which of the following database types is useful for storing Java applets as well as handling large
numbers of transactions?
A data warehouse is composed of:
both historical and current data.
W hich of the following statements about data warehouses is not true?
Data warehouse systems provide easy-to-use tools for managers to easily update data.
A data mart usually can be constructed more rapidly and at lower cost than a data warehouse
it typically focuses on a single subject area or line of business
Tools for consolidating, analyzing, and providing access to vast amounts of data to help users
make better business decisions are known as:
The tool that enables users to view the same data in different ways using multiple dimensions is:
OLAP is a tool for enabling:
users to obtain online answers to ad hoc questions in a rapid amount of time.
Data mining is a tool for allowing users to:
find hidden relationships in data
In terms of the data relationships found by data mining, associations refers to:
occurrences linked to a single event
In terms of the data relationships found by data mining, sequences refers to:
events linked over time
An alternative to using application server software for interfacing between a Web server and
back-end databases is:
Businesses use ________ tools to search and analyze unstructured data sets, such as e-mails and
The confusion created by ________ makes it difficult for companies to create customer
relationship management, supply chain management, or enterprise systems that integrate data
from different sources.
Detecting and correcting data in a database or file that are incorrect, incomplete, improperly
formatted, or redundant is called
Which of the following would you use to find patterns in user interaction data recorded by Web
Web usage mining
Which of the following would you use to find out which Web sites with content related to
database design were the most often linked to by other Web sites?
Web structure mining
What is the Primary Key of the Animals Table?
What is the Foreign Key of the Owners Table?
No Foreign Key Exists
What is the Primary Key of the Animal Owners Table?
Combined Key (Pet Number and Owner ID)
What are the Foreign Key(s) of the Animal Owners Table?
Both Pet Number and Owner ID
No Repeating Elements or Groups of Elements describes which Normal Form?
First Normal Form
No Partial Dependencies on a Concatenated Key describes which Normal Form?
Second Normal Form
No Dependencies on Non-Key Attributes describes which Normal Form?
Third Normal Form
The database table below is normalized to what normal form?
Tables that contain a Concatenated Primary Key and fields that rely on only part of the key, fail the test for which Normal Form?
Second Normal Form
What Normal Form process rids the database of repeating elements?
First Normal Form
Which data type should be used for a field containing zip code data in access
Which data type should be used for a field containing Price data in Access
Which data type should be used for a field containing street address data in access?
Which data type should be used for a field containing E numbers in Access?
What type of key should be used for linking a table?
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