Aggregates and Entities 280225

What is the primary purpose of an Aggregate in OutSystems?

• To create UI components

• To fetch and manipulate data from the database

• To manage user authentication

• To define business rules

Which of the following best describes the execution of an Aggregate?

• It runs only once during application deployment

• It retrieves data from the database in real-time when needed

• It updates data automatically without the developer's intervention

• It requires manual execution every time

In an Aggregate, which operation is NOT allowed?

• Filtering data

• Sorting data

• Updating the database directly

• Joining multiple entities

What is the default sorting behavior of an Aggregate when no sorting is explicitly defined?

• Random order

• Ascending order of the Primary Key

• Descending order of the Primary Key

• Order is undefined

Which action can be performed inside an Aggregate?

• Deleting records from the database

• Using expressions to calculate values

• Creating new database tables

• Modifying application themes

What is the role of an Entity in OutSystems?

• It stores UI components

• It acts as a reusable front-end component

• It represents a table in the database

• It is used for role-based security

In OutSystems, a Foreign Key is represented as:

• A static entity

• A reference attribute in an Entity

• A primary key in an Entity

• A unique constraint in an Aggregate

What happens if a Foreign Key constraint is deleted?

• The related records remain intact

• All related records are automatically deleted

• The entity is also deleted

• The system throws an error

What does a Static Entity represent?

• A temporary dataset stored in memory

• A table with pre-defined values that do not change frequently

• A user-defined function

• A UI widget

What is the default Primary Key type in an OutSystems entity?

• Integer

• Auto-incremented Identifier

• Text

• Boolean