Topic 1 Flashcards

1
Q

Collection of
data organized
in a manner
that allows
access,
retrieval, and
use of that
data

A

Database

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2
Q

Collection of
unprocessed
items
* Text
*Numbers
* Images
* Audio
* Video

A

Data

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3
Q
  • Processed data
  • Documents
  • Audio
  • Images
  • Video
A

Information

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4
Q

is a tool used to organize, store,
retrieve, and communicate (report on) group of
related information.

A

database

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5
Q

A database is a tool used by businesses to
manage the huge amount of ___ required to run
the business.

A

data

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6
Q

Databases consist of 4 main Objects

A
  1. Tables
  2. Queries
  3. Forms
  4. Reports
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7
Q

store data in rows and columns

A

Tables

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8
Q

retrieve and process data

A

Queries

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9
Q

control data entry and data views; is a customized manner of inputting data into a
database or representing data on a screen.

A

Forms

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10
Q

summarize and print data.

A

Reports

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11
Q

___ _____often called a database management system (DBMS), allows users to:
- Create a computerized database
- Add, modify, and delete data
- Sort and retrieve data
- Create forms and reports from the data

A

Database software

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11
Q

identifies the quality of the data

A

Data integrity

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12
Q

points out the
accuracy of a computer’s output depends on the
accuracy of the input

A

Garbage in, garbage out (GIGO)

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13
Q

Valuable information should have the following
characteristics:

A

Accurate
Verifiable
Timely
Organized
Accessible
Useful
Cost effective

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14
Q

Data is organized in layers

A

– Files, records, fields, characters

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14
Q

is one byte
– Numbers, letters, space,
punctuation marks, or
other symbols

A

character

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15
Q

is a combination
of one or more related
characters
– Field name
– Field size
– Data type

A

field

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16
Q

is a group of related fields

A

record

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17
Q

uniquely identifies each record

A

primary key

18
Q

is a collection of related records

A

data file

19
Q

refers to the procedures that
keep data current

A

File maintenance

20
Q

Users add new records to a file when they obtain
new data ( T or F)

A

True or T

21
Q

Users modify a record to correct inaccurate data
or update old data ( T or F )

A

T or true

22
Q

When a record no longer is needed, a user deletes
it from a file (t or f)

A

t

23
Q

compares data with a set of rules or
values to find out if the data is correct

A

Validation

24
Q
  • Each department has its
    own set of files
  • Used for many years
  • Have data redundancy
  • Isolate data
A

File processing system

25
Q

are used by a manager of
any small organization to track
necessary data

A

Filesystems

25
Q
  • Programs and users share
    data
  • Reduce data redundancy
  • Improve data integrity
  • Share data
  • Allows easier access
  • Reduces development time
  • Can be more vulnerable
A

Database approach

26
Q

contains data about each file in
the database and each field in those files

A

data dictionary

27
Q

provides a GUI to assist
users with retrieving data

A

Query by example (QBE)

28
Q

provides several tools that allow users
and programs to retrieve and maintain data in the
database

A

DBMS

29
Q

consists of simple, English-like
statements that allow users to specify the data to
display, print, or store

A

query language

30
Q

is a window on the screen that provides
areas for entering or modifying data in a database

A

form

31
Q

allows users to design a report
on the screen, retrieve data into the report
design, and then display or print the report

A

report generator

32
Q

provides means to
ensure that only authorized users
access data at permitted times
*Access privileges
*Principle of least privilege

A

DBMS (Database Management Systems)

33
Q

consists of rules and standards that
define how the database organizes data

A

data model

34
Q

stores data in tables
that consist of rows and
columns

A

relational database

35
Q

is a link
within the data

A

relationship

35
Q

is a query
language that allows users to manage, update,
and retrieve data

A

Structured Query Language (SQL)

36
Q

stores data
in objects

A

object-oriented database (OODB)

37
Q

is a huge database that stores and
manages the data required to analyze historical and
current transactions

A

data warehouse

37
Q

can store data in more
than two dimensions of data
– Sometimes known as a hypercube
– Can consolidate data much faster than a relational database

A

multidimensional database

37
Q

Decides on proper field
placement, defines data
relationship, and identifies
users’ access privileges

A

Database Analyst (DA)

37
Q

Creates and maintains the data
dictionary, manages security,
monitors performance, and
checks backup and recovery
procedures

A

Database Administrator (DBA)

37
Q

is the process of sorting through large data sets
to identify patterns and relationships that can help solve
business problems through data analysis

A

Datamining