Bus 3500 Exam 1-MIS

No Dependencies on Non-Key Attributes describes which Normal Form?

Third Normal Form

A data warehouse may include information from legacy systems.

True

A firm's information policy lays out who is responsible for updating and maintaining the information in a database system.

True

Common Gateway Interface is a specification for processing data on a Web server.

True

DBMS simplify how end users work with databases by separating the logical and physical views of the data.

True

Data cleansing is the same process as data scrubbing.

True

Data mining can be a challenge to individual privacy.

True

In normalization, complex groupings of data are streamlined to eliminate awkward many-to-many relationships.

True

Many applications today require databases that can store and retrieve multimedia.

True

OLAP is a key tool of BI.

True

OODBMS are slower than relational DBMS.

True

The use of different terms for identifying data in a firmʹs various information systems is an example of redundant data.

True

a grouping of characteristics into a word, a group of words is called a record.

True

each characteristic or quality describing a particular entity is called an attribute

True

every record in a file should contain at least one key field

True

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

Which of the following would you use to find patterns in user interaction data recorded by Web servers?

Web usage mining

A characteristic or quality describing an entity is called a(n):

attribute.

A data warehouse is composed of:

both historical and current data.

Tools for consolidating, analyzing, and providing access to vast amounts of data to help users make better business decisions are known as:

business intelligence.

The join operation:

combines relational tables to provide the user with more information than is otherwise available

The select operation:

creates a subset consisting of all records in the file that meets stated criteria.

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.

The specialized language programmers use to add and change data in the database is called:

data definition language.

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:

data dictionary.

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.

data redundancy

Detecting and correcting data in a database or file that are incorrect, incomplete, improperly formatted, or redundant is called

data scrubbing

DBMS typically include report-generating tools in order to:

display data in an easier-to-read format

A schematic of the entire database that describes the relationships in a database is called a(n):

entity-relationship diagram.

In terms of the data relationships found by data mining, sequences refers to:

events linked over time

Data mining is a tool for allowing users to:

find hidden relationships in data

The most basic business database is comprised of:

five tables: for customers, employees, suppliers, products, and sales.

A one-to-one relationship between two entities is symbolized in a diagram by a line that ends

in two short marks.

A table that links two tables that have a many-to-many relationship is often called a(n):

intersection relation.

A data mart usually can be constructed more rapidly and at lower cost than a data warehouse because:

it typically focuses on a single subject area or line of business

A field identified in a record as holding the unique identifier for that record is called the

key field

An example of a pre-digital database is a:

library's card-catalog

The process of streamlining data to minimize redundancy and awkward many-to-many relationships is called:

normalization.

The type of database management approach that can handle multimedia is the:

object-oriented DBMS.

In terms of the data relationships found by data mining, associations refers to:

occurrences linked to a single event

A DBMS makes the:

physical database available for different logical views.

My SQL is a:

popular open-source DBMS.

The logical view of a database:

presents data as they would be perceived by end users

A field identified in a table as holding the unique identifier of the table's records is called the:

primary key.

The type of logical database model that treats data as if they were stored in two-dimensional tables is the:

relational DBMS.

In a table for customers, the information about a single customer would reside in a single:

row

In a relational database, the three basic operations used to develop useful sets of data are:

select, project, and join.

In a relational database, a record is also called a(n):

tuple

OLAP is a tool for enabling:

users to obtain online answers to ad hoc questions in a rapid amount of time.

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.

The database table below is normalized to what normal form?

...

What are the Foreign Key(s) of the Animal Owners Table?

Both Pet Number and Owner ID

What is the Primary Key of the Animal Owners Table?

Combined Key (Pet Number and Owner ID)

Which data type should be used for a field containing Price data in Access

Currency

Access is a

DBMS for desktop systems

Microsoft SQL Server is a(n):

DBMS for midrange computers.

Oracle Database Lite is a:

DBMS for small handheld computing devices.

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 warehouse is typically comprised of several smaller data marts

False

Implementing a Web interface for a database requires changes to the database itself.

False

In linking databases to the Web, the role of the application server is to host the DBMS.

False

OLAP is used to find hidden patterns and relationships in large databases, and infer rules from these to infer future behavior.

False

One of the drawbacks to OODBMS is that they cannot work with applets.

False

Predictive analysis is a technique of data mining.

False

No Repeating Elements or Groups of Elements describes which Normal Form?

First Normal Form

What Normal Form process rids the database of repeating elements?

First Normal Form

What type of key should be used for linking a table?

Foreign Key

An alternative to using application server software for interfacing between a Web server and back-end databases is:

HTML.

What is the first step you should take in managing data for a firm?

Identify the data needed to run the business

Which of the following is not a true statement about MDM?

It is a quality-of-data concept that is used to identify a companyʹs most important data.

What is the Foreign Key of the Owners Table?

No Foreign Key Exists

The tool that enables users to view the same data in different ways using multiple dimensions is:

OLAP.

Which of the following database types is useful for storing Java applets as well as handling large numbers of transactions?

OODBMS

What is the Primary Key of the Animals Table?

Pet Number

Which of the following is not a typical feature of DBMS?

Query wizard tool

What are the relationships that the relational database is named for?

Relationships between entities

The most prominent data manipulation language today is:

SQL

No Partial Dependencies on a Concatenated Key describes which Normal Form?

Second 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

Which data type should be used for a field containing E numbers in Access?

Text

Which data type should be used for a field containing street address data in access?

Text

Which data type should be used for a field containing zip code data in access

Text

Businesses use ________ tools to search and analyze unstructured data sets, such as e-mails and memos

Text mining

Which of the following best illustrates the relationship between entities and attributes?

The entity CUSTOMER with the attribute ADDRESS