Curso GeneXus

Versión: Evolution 3
Curso online

Relations between actors from reality

We study the types of relations that may be established between the entities from reality: one to many (strong and weak), many to many, their characteristics and ways to model them based on the transactions. We present two cases of relations one to one.    

Click here for a PDF transcript of the video.
New entities added to the project
Creation of a two-level transaction
Working with attributes and domains
Identifying availabe attributes
Relations between entities from reality
Defining more transactions
First transaction design
First transaction design - PDF
Working with attributes and domains
Defining more transactions
Application grows up
What are Subtypes?
More use cases of subtypes
1 to 1 relations between actors from reality
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