Mendix Advanced question with 100% correct answers 2023
Inheritance is used to: - correct answer Inherit the structure and behavior of an entity, so that all specializations can be used individually within the same process.
What is the result of generalizing the Player entity by the Person enti...
Mendix Advanced question with 100%
correct answers 2023
Inheritance is used to: - correct answer Inherit the structure and behavior of an entity, so that all
specializations can be used individually within the same process.
What is the result of generalizing the Player entity by the Person entity? - correct answer Two tables, one
per entity
What will happen to the ID's after generalizing the Player and Staff entities by the Person entity? -
correct answer The ID's of Player and Staff will keep their own set and sequence and will equal the ID in
the Person table.
Which statement is correct?:
- A 1-1 association and inheritance are both an IS type of relation.
- A 1-1 association is an IS and inheritance is an HAS type of relation.
- A 1-1 association is a HAS and inheritance is an IS type of relation.
- A 1-1 association and inheritance are both an HAS type of relation. - correct answer - A 1-1 association
is a HAS and inheritance is an IS type of relation.
Why is it a best practice to create a specialization of the FileDocument and Image entities? - correct
answer It allows for better security and property configuration based on purpose.
What is the default value of the attribute DeleteAfterDownload? - correct answer false
Where are the file(s) or image(s) stored by default? - correct answer On the file server located on the
application server
When it is better to place Indexes? - correct answer If there are more Read than Write actions.
, What happens when you apply an index? - correct answer The speed of Read actions will increase.
What is the result of the association in the image below? - correct answer A list of ID's in the Staff object.
The app performance is affected by a reference set (both) because: - correct answer Both entities needs
to be joined with the reference table and data transfer increases.
Adrian wants to select a staff member for a team. Which domain model would be suitable?
A: Staff * -> * Team
B: Staff * <- * Team - correct answer B
What type of domain model changes can have an impact on the data in the database? - correct answer
Type changes and Structural changes
What are the four stages of data conversion? (multiple answers are correct) - correct answer - Deploy
and convert
- Clean up model
- Model the conversion
- Extend domain model
Why is it a best practice to redeploy your app after cleaning up the model? - correct answer You might be
confronted with unexpected and/or complex sync behavior during a next deployment.
What does the function reverse() do? - correct answer It changes the direction in which the association is
queried.
What is the best naming for a self-reference where the buddy is referenced by an apprentice? - correct
answer Apprentice_Buddy
What is the correct XPath to retrieve the goals of the buddy of an apprentice? - correct answer
[SoccerSquad.Goal_Player/SoccerSquad.Player/SoccerSquad.Apprentice_Buddy [reversed()] =
'[%CurrentObject%]']
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