Karteikarten
Ohne Titel
Karten in diesem Stapel (7)
- 1RecordA record is all of the data or information of about one person or thing.
- 2TablesA tables stores all the records for a particular category.
- 3FieldA field is one piece of data or information about a person or thing.
- 4Data typesdata types are used for each fields like the date/time or currency
- 5Primary keythis will uniquely identify each record
- 6field lengthThis is the amount of numbers, symbols and letters that are aloud in a field.
- 7Foreign keyA foreign key is a key in one table used to link to a primary key in another table.
Informationen
- Beschreibung
- Karteikarten am Ohne Titel, erstellt von 11rharnett am 11/11/2014.
- Erstellt von
- 11rharnett
- Aufrufe
- 0
- Bewertung