Database Management
by peerawut smithiphechawong
1. databases, data, and information
1.1. Database
1.1.1. Database Management System
1.1.1.1. Create a computerized database
1.1.1.2. Add, modify, and delete data
1.1.1.3. Sort and retrieve data
1.1.1.4. Create forms and reports from the data
1.2. Data
1.2.1. Text
1.2.2. Numbers
1.2.3. Images
1.2.4. Audio
1.2.5. Video
1.3. Information
1.3.1. Documents
1.3.2. Audio
1.3.3. Images Video
2. The Hierarchy of Data
2.1. Data is organized in layers
2.1.1. Files
2.1.2. Records
2.1.3. Fields
2.1.4. Characters
3. Maintaining Data
3.1. Adding records
3.2. Modifying records
3.3. Deleting records
4. File Processing Versus Databases
4.1. File processing system
4.1.1. Each department has its own set of files
4.1.2. Used for many years
4.1.3. Have data redundancy
4.1.4. Isolate data
4.2. Database approach
4.2.1. Programs and users share data
4.2.2. Reduce dat redundancy
4.2.3. Improve data integrity
4.2.4. Share data
4.2.5. Allows easier access
4.2.6. Reduces development time
4.2.7. Can be more vulnerable