Gevita Chap 10 Database Management

1,760 views

Published on

Published in: Education, Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
1,760
On SlideShare
0
From Embeds
0
Number of Embeds
7
Actions
Shares
0
Downloads
16
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Gevita Chap 10 Database Management

  1. 1. CHAPTER 10 DATABASE MANAGEMENT PRESENTED BY GEVITA
  2. 2. <ul><li>DATABASE,DATA& INFORMATION </li></ul><ul><li>7 type data </li></ul><ul><li>- Data integrity </li></ul><ul><li>- Quality Of valuable information </li></ul><ul><li>- Hierarchy of data </li></ul><ul><li>- Characters </li></ul><ul><li>- Fields </li></ul><ul><li>- Records </li></ul><ul><li>- Files </li></ul><ul><li>MAINTAINING DATA </li></ul><ul><li>Adding Records </li></ul><ul><li>Modifying Records </li></ul><ul><li>Deleting Records </li></ul><ul><li>Validating Data </li></ul>
  3. 3. FILE PROCESSING VERSUS DATABASES File processing system Data Redundancy Isolated data The database Approach Disadvantages of database Many programs and users share the data in the database. <ul><li>Can be more complex than a file processing system. </li></ul><ul><li>Store a lot in single file. </li></ul>
  4. 4. DATABASE MANAGEMENT SYSTEM <ul><li>4 TYPE OF DATABASE </li></ul><ul><li>1. File Retrieval & Maintenance </li></ul><ul><li>2. Query Language </li></ul><ul><li>3. Data Security </li></ul><ul><li>4. Backup & Recovery </li></ul>
  5. 5. Relational, Object Oriented & Multidimensional databases <ul><li>1. Relational </li></ul><ul><li>- Stores data in tables </li></ul><ul><li>2. Object- Oriented Database </li></ul><ul><li>- store data in object </li></ul><ul><li>3. Multidimensional </li></ul><ul><li>- store data dimensions </li></ul><ul><li>Web Database & Types </li></ul>
  6. 6. CHAPTER REVIEW -Database, Data and information -Maintaining Data -File Processing versus Databases -Database Management System -Relational, Object Oriented & Multidimensional - Web Database <ul><li>What is the examples of application for an object-oriented database? </li></ul><ul><li>2. What is the 2 major weaknesses of file processing system? </li></ul>1. A multimedia database, a groupware database, a computer –aided design, a hypertext database. 2. Data redundancy and isolated data THANK YOU!

×