Category "associations"

Sequelize js how to get average (aggregate) of associated model

I am trying to get average rating of an associated Model "Rating" of Model "User" using sequelize. sequelize.sync({logging: false}).then(()=>{ return Mode

cakephp 3 - Impossible to generate condition with empty list

In cakephp 3 query gives error when added 'IN' condition in contain query. $itemsquery = $Students->find('all'); $itemsquery->select(['Students.id']); $

Sequelize - ORM - Associations not working

Using Sequelize with MySQL. I have three models. Consultant, FamilyMember and Appointments. Appointment refers to Consultant and FamilyMember. I have defined th

Is it recommended to make associations to enum classes in UML class diagrams?

I am designing a class diagram and I got a doubt: I have a class which have several attributes referring to Java enums and other classes that will be mapped as