What is a Database?
- A database is a collection of related data
- A database is designed, built, and populated with data for a specific purpose. It has an intended group of users and some preconceived applications in which these users are interested.
Data & Mini World
- Data: Known facts that can be recorded and have an implicit meaning.
- Mini-world: Some part of the real world about which data is stored in a database. For example, student grades and transcripts at a university
Types of Databases and Database Applications
- Numeric and Textual Databases
- Multimedia Databases
- Geographic Information Systems (GIS)
- Data Warehouses
- Real-time and Active Databases
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