Mindmap
Topic 8
Inhalt der Mindmap
Topic 8
Data types
- number (interger)
- Number (real)
- Text or string
- Data/time
- Currency
- Boolean
- Lists
- Picture
- Sound
- Video
Files, records and fields
- Field
- Record
- File
- Key Field
Validation
- Range check
- Type check
- Format/Picture check
- Length check
- Presence check
- Lookup list
Reports
Forms
Calculated fields
Uses of a database
Updating records
Searching for data
- Simple query search
- Complex query search
- Wildcard charecters
Sorting data
Security issues with databases
Software methods for keeping data secure
- passwords
- Access rights
- Back-ups
Advantages of using a database
- fast access
- Easy to edit
- Validation
- Reports
- sharing
- Security
Informationen
- Beschreibung
- Mindmap am Topic 8, erstellt von Charli fouch am 15/01/2015.
- Erstellt von
- Charli fouch
- Aufrufe
- 2
- Bewertung