Mapa mental
Sin título
Contenido del mapa
Enter text here
data capture
- design
- simple
- easy to use
- not too long
- not boring
- provides clear instructions
- logically laid out
- has spaces to be filled in
- what to do
- any form that appears on screen should:
- adjustable for different screens
- not be cluttered
- relevant information
- suitable font
- images in suitable places
- not use colours that are difficult to see
- suitable background colours
- design
key terms
- a row is a record
- the top record are called field names
- records contain fields
- fields are individual cells
- primary key
- data to uniquely identify each record
- foreign key
- a row is a record
data types
- text
- allows numbers and letters
- numerical
- only numbers
- boolean
- allows one of two options
- date/time
- date or time
- autonumber
- computer generates a unique number
- integer
- whole number
- real number
- any number
- currency
- price
- text
validation
- range checks
- checks data is within a range
- type checks
- checks type of data
- format checks
- date of birth
- range checks
Información
- Descripción
- Mapa Mental sobre Sin título, creado por robyn1476 el 03/05/2016.
- Creado por
- robyn1476 · may 2016
- Actualizado
- 5 may 2016
- Visitas
- 0
- Valoración