How can we help?

You can also find more resources in our Help Center.

50 terms

MGSC 290 EXAM 4 Chapter 11 A & C

STUDY
PLAY
Real Data Type
Database designers assign the ___ ___ ___ to
fields that contain numbers with decimal places---
prices, percentages
date data type
The ___ ___ ___ is used to store dates in a
format that allows them to be manipulated
Logical Data Type
The ___ ___ ___ (sometimes called a Boolean
or yes/no data type) is used for true/false or yes/no
data using minimal storage spaces
Computed Field
A ___ ___ is a calculation that a DBMS performs
during processing, and then temporarily stores in a
memory location
Entity-Relationship Diagram
The relationship between record types can be
depicted graphically with an ___ ___ (sometimes
called an ER diagram or ERD)
Field Validation Rule
A ___ ___ ___ is a specification that the
database designer sets up to filter data entered
into a particular field.
One-to-many Relationship
When one record is related to many records, the
relationship is referred to as a ___ __
Primary Key
A ___ ___ is a field that contains data unique to a
record
Sort Order
A table's ___ ___ is the order in which records
are stored on disk
Record Occurrence
A record that contains data is referred to as a ___
___, or simply a record
Dimensional Database
A ___ ___, sometimes referred to as a
multidimensional database, organizes relationships
over three or more dimensions
Database
A ___ is a collection of information
Database Structure
___ ___ refers to the arrangement of fields,
tables, and relationships in a database
Unstructured File
A filing cabinet full of folders and papers would be
classified as an ___ ___ because every
document has a unique structure and contains
different kinds of dat
Object-Relational Database
The term ___ ___ is used to describe a variety of
technologies that combine objected-oriented and
relational concept
Structured File
A ___ ___ uses a uniform format to store data for
each person or thing in the file
Object Database
An ___ ___, also referred to as an
object-oriented database, stores data as objects,
which can be grouped into classes and defined by
attributes and methods
Relationship
In database jargon, a ___ is an association
between data that's stored in different record types
Normalization
A process called ___ helps database designers
create a database structure that can save storage
space and increase processing efficiency
Sort Key
A table's ___ ___ is one or more fields used to
specify where new records are inserted in a table
Relational Database
A ___ ___ stores data in a collection of related
tables
Lookup Routine
A ___ ___ validates an entry by checking data in
a file or database table
Network Database
A ___ ___ uses a mesh-like structure to offer the
additional capacity to define many-to-many
relationships
Predictive Analytics
___ ___ refers to a branch of data mining that
focuses on predicting future probabilities and trends
Memo Data Type
A ___ ___ ___ usually provides a variable-length
field into which users can enter comments
Field Format
A ___ ___ is a template that adds the correct
formatting as data is entered
Report Template
A ___ ___ contains the outline or general
specifications for a report, including such elements
as the report title, fields to include, fields to subtotal
or total, and report format specifications
Field Name
A field has a unique ___ ___ that describes its
contents
Data Type
A ___ ___ specifies the way data is represented
on the disk and in RAM
Data Warehouse
A ___ ___ is a repository for data from more than
one database
Record Type
The template for a record is referred to as a ___
____
Hyperlink Data type
The ___ ___ ___ stores URLs used to link
directly from a database to a Web page
Database Index
A ___ ___ contains a list of keys, and each key
provides a pointer to the record that contains the
rest of the fields related to that key
Text Data Type
___ ___ ___ is typically assigned to fixed-length
fields that hold charater data--people's names,
album titles, etc
Case Sensitive Database
In a ___ ___ ___, uppercase letters are not
equivalent to their lowercase counterparts
Table
A ___ is a sequence of records, similar to a flat file
Variable-Length Field
A ___ ___ is like an accordion -- it expands to fit
the data you enter, up to some maximum number
of characters
Executive Dashboard Software
To analyze and mine complex data sets, decision
makers sometimes use ___ ___ ___, which
provides tools for formulating OLAP queries and
displaying results visually
Field
A ___ contains the smallest unit of meaningful
information, so you might call it the basic building
block for a structured file or database
One-to-One Relationship
A ___ ___ means that a record in one record
type is related to only one record in another record
type
Hierarchical Database
A ___ ___ allows one-to-one and one-to-many
relationships, linked in a hierarchical structure
Data Redundancy
___ ___ is the amount of data that is repeated or
duplicated in a database
Integer Data Type
The ___ ___ ___ is used for fields that contain
whole numbers---quantities, repetitions, reankings,
etc
Data Mining
___ ___ refers to the process of analyzing
existing database information to discover
previously unknown and potentially useful
information, including relationships and patterns
Cardinality
___ refers to the number of associations that can
exist between two record types
BLOB
A ___ (binary large object) is a collection of binary
data stored in a single field of a database
Report Generator
To create reports, most DBMSs include a ___
___, which is a software tool for specifying the
content and format for a database report
Database Model
The underlying structure of a database is referred
to as a ___ ____
OLAP (online analytical processing)
One of today's most advanced data analysis
methods, ___ allows decision makers to look for
relationships between multiple data dimensions
flat file
The simplest model for storing data is a ___ ___
that consists of a single, two-dimensional table of
data elements