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Mendix Advanced questions & answers 2023 ( A+ GRADED 100% VERIFIED)
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Mendix Advanced questions & answers 2023 ( A+ GRADED 100% VERIFIED)
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Mendix AdvancedInheritance is used to: - ANS 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? -
ANS Two tables, one per entity
What will happen to the ID's after generalizing the Player and Staff entities
by the Person entity? - ANS 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. - ANS
- 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? - ANS It allows for better security and property
configuration based on purpose.
What is the default value of the attribute DeleteAfterDownload? - ANS
false
Where are the file(s) or image(s) stored by default? - ANS On the file
server located on the application server
When it is better to place Indexes? - ANS If there are more Read than
Write actions.
What happens when you apply an index? - ANS The speed of Read
actions will increase.
, What is the result of the association in the image below? - ANS A list of
ID's in the Staff object.
The app performance is affected by a reference set (both) because: - ANS
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 - ANS B
What type of domain model changes can have an impact on the data in the
database? - ANS Type changes and Structural changes
What are the four stages of data conversion? (multiple answers are correct)
- ANS - 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?
- ANS You might be confronted with unexpected and/or complex sync
behavior during a next deployment.
What does the function reverse() do? - ANS 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? - ANS Apprentice_Buddy
What is the correct XPath to retrieve the goals of the buddy of an
apprentice? - ANS
[SoccerSquad.Goal_Player/SoccerSquad.Player/SoccerSquad.Apprentice_
Buddy [reversed()] = '[%CurrentObject%]']
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