IM - Midterm

DATA refers to

INFORMATION is

1. ) _____– computer-aided software

engineering

2.) _____ – centralized storehouse of

metadata

3.) _____ – software for managing the database

4.) _____ – storehouse of the data

5.) _____– software using the

data

1.) _____ – text and graphical displays to

users

2.) _____ – personnel responsible

for maintaining the database

3.) _____ – personnel responsible

for designing databases and software

4.) _____ – people who use the applications

and databases

• Central repository of shared data

• Data is managed by a controlling agent

• Stored in a standardized, convenient form

• Requires a Database Management System

(DBMS)

• A collection of programs that enable users to

create and maintain a database.

• A general-purpose software system that

facilitates the processes of defining,

constructing, manipulating, and sharing

databases among various users and

applications

• Descriptions of the properties or

characteristics of the data, including data

types, field sizes, allowable values, and

documentation,

• A set of data that describes and gives

information about other data.

• File processing system where data are

stored for each individual application in an

organization.

• Each department or area within an

organization has its own set of files, often

creating data redundancy and data isolation.

• There is no overall map, plan, or model

guided application growth.

• An approach where data are logically stored

in databases, managed by a database

management system.

• A database is designed using data models

which define the nature and relationships

among data.

• The effectiveness and efficiency of a

database is directly associated with the

structure of the database.

Range of Database Applications

▪ _________ - supports one user

▪ _________– supported by two-tier client/server

databases

▪ _________ (between

25 to 100 users) – supported by multitier

client/server databases

▪ _________ – scope is entire

organization