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Web mining is the discovery of useful patterns on the Web
A grouping of characters into a word, a group of words, or a complete number is called a record.
Every record in a file should contain at least one key field
Both Oracle and Microsoft Access use SQL to retrieve information from the database
DBMS simplify how end users work with databases by separating the logical and physical views of the data
Most back-end databases are able to interpret HTML commands
Hadoop can process large quantities of any type of data, including video and Twitter feeds
The two key services of Hadoop are HDFS and in-memory computing
A data warehouse may include information from legacy systems
A data warehouse is typically comprised of several smaller data marts
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.
A foreign key is a field that links to a separate table
In-memory computing relies on a computer’s main memory for storing data
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
NoSQL databases
MongoDB and SimpleDB are both examples of
library card catalog
An example of a pre-digital database is a:
Identify the data needed to run the business
What is the first step you should take in managing data for a firm?
The entity CUSTOMER with the attribute ADDRESS
Which of the following best illustrates the relationship between entities and attributes
relational DBMS
The type of logical database model that treats data as if they were stored in two-dimensional tables is the
Relationships between entities
What are the relationships that the relational database is named for
A characteristic or quality describing an entity is called a(n)
five tables: for customers, employees, suppliers, parts, and sales
The most basic business database is comprised of
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):
primary key
A field identified in a table as holding the unique identifier of the table’s records is called the
key field
A field identified in a record as holding the unique identifier for that record is called the:
entity-relationship diagram
A schematic of the entire database that describes the relationships in a database is called a(n)
in two short marks
A one-to-one relationship between two entities is symbolized in a diagram by a line that ends:
with a crows foot preceded by a short mark
A one-to-many relationship between two entities is symbolized in a diagram by a line that ends:
intersection relation
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:
physical database available for different logical views
A DBMS makes the
presents data as they would be perceived by end users
The logical view of a database
Query wizard tool
Which of the following is not a typical feature of DBMS
DBMS for desktop PC systems
access is a
find new groupings within data
In clustering, a data mining tool will
popular open-source DBMS
MySQL is a:
discovery driven
Data mining is more ________ than OLAP
select, project, and join
In a relational database, the three basic operations used to develop useful sets of data are
creates a subset consisting of all records in the file that meet stated criteria
The select operation
SQL queries.
All of the following are tools or technologies for extracting information from unstructured data sets except
creates a subset consisting of columns in a table.
The project operation
Critical, as without one, your data may be inaccurate, incomplete, or difficult to retrieve
Which of the following best describes the importance of creating an accurate data model for your business’s database
data dictionary
An automated or manual file that stores information about data elements and data characteristics such as usage, physical representation, ownership, authorization, and security is the:
You are working in the IT department of a small paper supply company and planning a new database that monitors employee benefits and productivity. What would be the relationship you need to establish between Employee_ID in the Employee table and Parking_spot_number in the
The most prominent data manipulation language today is
display data in an easier-to-read format
DBMS typically include report-generating tools in order to
Structuring the database
What is the purpose of a DBMS’s data definition function
Non-relational DBMS
Which of the following database types would be best suited for storing multimedia
Analytic platforms
Pre-configured hardware-software systems that use both relational and non-relational technology optimized for analyzing large datasets are referred to as:
Data warehouse systems provide easy-to-use tools for managers to easily update data
Which of the following statements about data warehouses is not true
it typically focuses on a single subject area or line of business
A data mart usually can be constructed more rapidly and at lower cost than a data warehouse because:
business intelligence
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:
users to obtain online answers to ad hoc questions in a rapid amount of time.
OLAP is a tool for enabling
find hidden relationships in data
Data mining is a tool for allowing users to
occurrences linked to a single event
In terms of the data relationships found by data mining, associations refers to
events linked over time
In terms of the data relationships found by data mining, sequences refers to
web usage mining
Which of the following would you use to find patterns in user interaction data recorded by Web servers?
web structure 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?
database administration
Within a corporate information services department, the task of creating the physical database and its logical relations are responsibilities of the ________ function
text mining
Businesses use ________ tools to search and analyze unstructured data sets, such as e-mails and memos.
data redundancy
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 scrubbing
Detecting and correcting data in a database or file that are incorrect, incomplete, improperly formatted, or redundant is called
referential integrity rules
Relational database systems use ________ to ensure that relationships between coupled tables remain consistent.
A DBMS is special software for creating, storing, organizing, and accessing data from a database.
A physical view shows data as it is organized on the storage media
End users use a data manipulation language to manipulate data in the database
open-source software framework designed for distributing data-processing over inexpensive computers.
Hadoop is a(n):
A data ________ stores current and historical data of potential interest to decision makers throughout the company.
database server
A(n) ________ is a dedicated computer in a client/server environment that hosts a DBMS
An information policy specifies the procedures and rules for defining the structure and content of corporate databases.
Data administration is a special organizational function that manages the policies and procedures through which data can be managed as an organizational resource.
data quality audit
A(n) ________ is a structured survey of the accuracy and level of completeness of the data in an information system.

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