What are valid attribute types?
A: Basic Types: These are the basic attributes that contain values of primitive types like integer, string, boolean etc. 1. String :- It stores simple text values like color, name etc. Boolean :- It stores boolean values like true or false.
What are the different types of attributes?
Attributes can also be subdivided into another set of attributes. There are five such types of attributes: Simple, Composite, Single-valued, Multi-valued, and Derived attribute….Types of Attributes in ER Model
- Simple attribute:
- Composite attribute:
- Single-valued attribute:
- Multi-valued attribute:
- Derived attribute:
How to call an APEX method from an aura component?
In order to call an apex method from our aura component, we need to associate the apex class to our aura component as the controller class of the aura component. We can do that by specifying the apex class in the “controller” part of the aura:component tag.
How are attribute types related to apex classes?
An attribute can have a type corresponding to an Apex class. For example, this is an attribute for a custom Color Apex class: Component attribute types can be custom Apex classes, and the following standard Apex classes.
How are component attributes set in Lightning aura?
Component Attributes Component attributes are like member variables on a class in Apex. They are typed fields that are set on a specific instance of a component, and can be referenced from within the component’s markup using an expression syntax. Component attributes are like member variables on a class in Apex.
What do you need to know about Aura in Java?
Required. The name of the attribute. For example, if you set on a component called aura:newCmp, you can set this attribute when you instantiate the component; for example, . Required. The type of the attribute.