Mindmap
Data bases
Inhalt der Mindmap
Data bases
A table
- The data is stored or organised on a table.
A database
- A collection of related data in a way to make the data useful.
A Record
- The row on a table that holds the same type of information.
A Field
- Every column has information about multiple things in the table, these are called fields.
Data Types
- Text
- Sequences of letters, numbers and other symbols.
- A, 3, $
- Number
- Is only numerical value, such as ages, prices, quantities etc.
- Date/Time
- Used when using dates in the year, or times of the day.
- 5/3/2013
- Logical
- Also the Yes/No. Represents a value that is true or false.
- Are you a current student at Brooksbank School?
- Text
Informationen
- Beschreibung
- GCSE Btec ICT Mindmap am Data bases, erstellt von Gee_0599 am 21/11/2014.
- Erstellt von
- Gee_0599
- Aufrufe
- 6
- Bewertung