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Ch. 8 Database
HEY
18
Computer Science
8th Grade
09/29/2008

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Cards

Term
Databases
Definition
Organized collections of information stored on a computer
Term
Table
Definition

Database is made up of these, which contain a collection of related data

Term
Record
Definition
A single unit of data, which contains information about one individual or item
Term

Field

Definition
Each separate piece of data that is stored in a record
Term
Data type
Definition

a certain kind of information that is the only kind that can be stored

Term
Garbage in, Garbage out
Definition

The idea that a database is only as good as the data it contains

Term
Database Management System
Definition
This manages the storage, organization, processing, and retrieval of data in a database
Term
Flat-File Database
Definition
This allows you to work with data in only one table
Term
Sort
Definition
With database software, it is easy to ________ data, or arrange data in different ways
Term
Relational Databases
Definition
In these, files can be linked to each other by a fieldthat is found in each of the files.
Term
Key field
Definition
A student's name is an example of this, a field that is found in each of the tables
Term
Object-oriented databases
Definition
These store information about documents, audio clips, and video clips
Term
Information Overload
Definition
A potential problem involved in the use of computers is having access to too much data, a situation known as this
Term
Browse
Definition

A way to find data by looking through all the records in the database

Term

Ascending order

Definition
When data is sorted into this format, values such as 1, 2, 3, or A,B,C, get larger or higher
Term
Descending order
Definition
When data is sorted in this format, values such as 1, 2, 3, or A, B, C, get smaller or lower
Term

Reports

Definition
With database software, it is easy to create these, or ordered lists of selected records and fields in an easy-to-read format
Term
Report template
Definition
In most databases, users can design this, or a pattern that controls how data will be displayed
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