Harvard University Oracle Database Administration Session 10 Database Backups.
Session 01 introduction to database and database management
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Transcript of Session 01 introduction to database and database management
![Page 1: Session 01 introduction to database and database management](https://reader036.fdocuments.us/reader036/viewer/2022083113/58ee13991a28ab321e8b4685/html5/thumbnails/1.jpg)
Introduction to Database and Database Management
Ricky Bulalakaw
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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?
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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
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DATABASE
• Organized collection of logically related data, usually designed to meet the information needs of multiple users in an organization. Contains occurrences of data
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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”
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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)
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Terminologies
• Spreadsheet• Table• Database Management
System (DBMS)• Relational DBMS
• Entity-Relationship Diagram• Entity• Attribute• Relationship• Associative Entity
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Available Tools for Data Processing
• Pivot Table• Google / Input Forms • VLOOKUP / HLOOKUP• Google Fusion Tables