Introduction to knowledge sharing session

1. Introduction to Database and
Database Management
Ricky Bulalakaw

2. Overview
• What is a database
• What is/are the uses of a database
• How should we design databases?
• What are the available tools and techniques in
processing data?

3. What is a database?
• Data - facts that could be recorded and stored
on computer media; consists of facts, text,
graphics, images, sound and video segments
that have meaning in the users' environment
• Information - data that has been processed in
such a way that it can increase the knowledge
of the person who uses it

4. DATABASE
• Organized collection of logically related data,
usually designed to meet the information
needs of multiple users in an organization.
Contains occurrences of data

5. What is NOT a database?
• Multiple spreadsheet files of different topics
in one USB drive
• Summary table of reports of agencies / offices
• Any collection of data that is not organized,
related and “cleaned”

6. Database and Information System
• Most information systems are database-driven
• Database allows more responsive, context-
aware and user-based features of an
information system
• Information systems are limited by the
information / data entered into it (GIGO)

7. Terminologies
• Spreadsheet
• Table
• Database Management
System (DBMS)
• Relational DBMS
• Entity-Relationship Diagram
• Entity
• Attribute
• Relationship
• Associative Entity

8. Available Tools for Data Processing
• Pivot Table
• Google / Input Forms
• VLOOKUP / HLOOKUP
• Google Fusion Tables