Fichas
Sin título
Fichas del conjunto (8)
- 1TablesA table stores all the records for a particular category
- 2RecordsA record is all of the data or information about one person or thing.
- 3FieldsA field is one piece of data or information about a person or thing.
- 4Data typesthis is the data type that you will use for each field.
- 5Field lengththe number of characters each text will allow.
- 6primary keythis will uniquely identify each record in your database.
- 7foreign keyused to link tables together and create a relationship.
- 8referential integritythis uses the value of each foreign key to prevent you from deleting related records.
Información
- Descripción
- Fichas sobre Sin título, creado por 11knewman el 11/11/2014.
- Creado por
- 11knewman · nov 2014
- Actualizado
- 19 feb 2016
- Visitas
- 1
- Valoración