Mapa mental
Databases
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Databases
A database is a programme for storing data
- Columns contain database fields
- Rows contain records
- A set of data is called a table
Databases are used to restrict data in each field, to avoid errors
Pull down lists help speed up data entry and helps avoid errors in the database
Queries are used to select data that match the given criteria.
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- Mapa Mental sobre Databases, creado por Finlay Munro el 27/04/2017.
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- Finlay Munro
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