Data field related to entity
Create data field related to an entity⚓
Concept⚓
Relational types aim to link entities between them using specific data field.
uppose you would like to manage Cars and you would like to select a Brand name in a list. To do so, you will have to create a field related to an entity Brand.
Suppose you would manage house construction in your application. Each house is made of several type of raw materials. But raw materials can not be defined as fixed value list. You would also liek to manage globally the list of raw materials to use. In this case, you will define a field "House raw materials" related to many Raw MateriaL.
In both case, a drop-down list will be added (multiple ou single).
You can define which field must be displayed in the drop-down list with keyword "using" (by default ID of target entity is displayed)
ExempleEnglish⚓
create data field NameOfDataField related to TargetEntity ( using NameOfFieldInTargetEntity )
add data field NameOfDataField related to TargetEntity ( using NameOfFieldInTargetEntity )
ComplémentExample⚓
create entity Brand
add field Brand Name
create entity Car
add field Identification Number
add field Brand related to Brand using Brand Name
ExempleFrench⚓
créer (un) champ (de données) NomDuChampsDeDonnées relié à NomEntité (en utilisant NomChampEntite)
ajouter (un) champ (de données) NomDuChampsDeDonnées de type relié à NomEntité (en utilisant NomChampEntite)
ComplémentExample⚓
créer entité Marque
ajouter le champ Nom
créer entité Voiture
ajouter le champ Référence
ajouter le champ Marque relié à Marque en utilisant Nom