Mapa mental
Database
Conteúdo do mapa
Database
A database is a persistent,structured and organised set of data that can be accessible in various ways
- A Flat-Tile is a type of database that only contains a single table of data
- SQL server
PAPER/COMPUTER types
- Notepad
- Register
- Menu
- Spreadsheets
- Computer programmes
- Yellow Pages
- Advantages
- Reduction of useless data for computers
- Paper is cheap
- Disadvantages
- Computer databases can take time to develop or for maintenance
- Startup costs for computers
- Computers need well trained people
In order to interrogate a database you need to use queries and criterias to find what you are looking for
- A field is a single piece of data in a table
Informações
- Descrição
- Mapa Mental sobre Database, criado por Christian Baxter em 17-03-2017.
- Criado por
- Christian Baxter
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