Prelim Flashcards

1
Q

Data and Information

A

Database Management

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2
Q

Collection of data organized so you can
access, retrieve, and use it

A

Database

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3
Q

Database software allows you to:

A
  • Create database
  • Add, change, and delete data
  • Sort and retrieve data
  • Create forms and reports
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4
Q

DBMS

A

Database Management System

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5
Q

Data is not raw facts , t or f

A

False

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6
Q

degree to which data is correct

A

Data integrity

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7
Q

GIGO

A

Garbage in Garbage Out

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8
Q

computer phrase that means you
cannot create correct information from
incorrect data

A

GIGO

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9
Q

What are common data types?

A

Text,numeric,currency,data

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10
Q

only the
values Yes or No (or True or False)

A

Boolean

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11
Q

address that links to
document or Web page

A

Hyperlink Web

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12
Q

photograph, audio, video, or
document created in other application such
as word processing or spreadsheet

A

Object also called BLOB

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13
Q

Types of Validity Check

A

CHeck DIgit, Alphabetic/numeric check, range check,completeness check,consistency check

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14
Q

same fields stored in multiple files

A

Data redundancy

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15
Q

Data Stored in seperate files so it is difficult to access

A

isolated data

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16
Q

many programs and users can share data in database

A

database approach

17
Q

Contains data about each file in
database and each field within those files

A

Data Dictionary

18
Q

Request for specific data from a
database

A

Query

19
Q

Window on screen that provides areas
for entering or changing data in database

A

Form

20
Q

Allows user to design a report on screen,
retrieve data into report design, then display
or print reports

A

Report Generator

21
Q

define activities that
specific user or group of users can perform

A

Access privileges

22
Q

User can view data, but cannot change it

A

Read only privileges

23
Q

User can view and change data

A

Full update Privileges

24
Q

a listing of activities that change
database contents

A

log

25
Q

Allows you to manage, update, and
retrieve data

A

SQL

26
Q

SQL

A

Structured Query Language

27
Q
  • are the properties that define
    the entity type.
A

Attributes

28
Q
  • uniquely identifies each
    entity in the entity set.
A

Key Attribute

29
Q

A Relationship Type represents the
association between entity types.

A

Relationship type and relationship set

30
Q

The number of different entity sets
participating in a relationship set.

A

Degree of a relationship set

31
Q

When there is only
ONE entity set participating in a relation.

A

Unary Relationship

32
Q

When there are
TWO entities set participating in a
relationship.

A

Binary Relationship

33
Q

When there are n
entities set participating in a relation.

A

nary relationship

34
Q

In this type of cardinality
mapping, an entity in A is connected to at
most one entity in B.

A

Many to one