AM
MENDIX ADVANCED QUESTIONS WITH COMPLETE
EX
SOLUTIONS
1. Inheritance is used to:: Inherit the structure and behavior of an entity, so that all specializations can be used
individually within the same process.
2. What is the result of generalizing the Player entity by the Person entity?: Two tables, one per entity
3. What will happen to the ID's after generalizing the Player and Staff entities by the Person entity?: The ID's of
Player and Staff will keep their own set and sequence and will equal the ID in the Person table.
4. 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.: - A 1-1 association is a HAS and inheritance
is an IS type of relation.
5. Why is it a best practice to create a specialization of the FileDocument and Image entities?: It allows for better
security and property configuration based on purpose.
6. What is the default value of the attribute DeleteAfterDownload?: false
7. Where are the file(s) or image(s) stored by default?: On the file server located on the application server
8. When it is better to place Indexes?: If there are more Read than Write actions.
9. What happens when you apply an index?: The speed of Read actions will increase.
10. What is the result of the association in the image below?: A list of ID's in the
, AM
Staff object.
EX
11. The app performance is affected by a reference set (both) because:: Both entities needs to be joined with the
reference table and data transfer increases.
12. Adrian wants to select a staff member for a team. Which domain model would be suitable?
A: Staff * -> * Team
B: Staff * <- * Team: B
13. What type of domain model changes can have an impact on the data in the database?: Type changes and Structura
changes
14. What are the four stages of data conversion? (multiple answers are cor- rect): - Deploy and convert
- Clean up model
- Model the conversion
- Extend domain model
15. Why is it a best practice to redeploy your app after cleaning up the mod- el?: You might be confronted with
unexpected and/or complex sync behavior during a next deployment.
16. What does the function reverse() do?: It changes the direction in which the association is queried.
17. What is the best naming for a self-reference where the buddy is referenced by an apprentice?: Apprentice_Buddy
18. What is the correct XPath to retrieve the goals of the bud-
dy of an apprentice?: [SoccerSquad.Goal_Player/SoccerSquad.Player/Soccer- Squad.Apprentice_Buddy [reversed()]
= '[%CurrentObject%]']
19. When localize is set to No, the date displayed in the client is based on the:: UTC value
20. Localizing a DateTime attribute has an effect on:: Client representation
MENDIX ADVANCED QUESTIONS WITH COMPLETE
EX
SOLUTIONS
1. Inheritance is used to:: Inherit the structure and behavior of an entity, so that all specializations can be used
individually within the same process.
2. What is the result of generalizing the Player entity by the Person entity?: Two tables, one per entity
3. What will happen to the ID's after generalizing the Player and Staff entities by the Person entity?: The ID's of
Player and Staff will keep their own set and sequence and will equal the ID in the Person table.
4. 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.: - A 1-1 association is a HAS and inheritance
is an IS type of relation.
5. Why is it a best practice to create a specialization of the FileDocument and Image entities?: It allows for better
security and property configuration based on purpose.
6. What is the default value of the attribute DeleteAfterDownload?: false
7. Where are the file(s) or image(s) stored by default?: On the file server located on the application server
8. When it is better to place Indexes?: If there are more Read than Write actions.
9. What happens when you apply an index?: The speed of Read actions will increase.
10. What is the result of the association in the image below?: A list of ID's in the
, AM
Staff object.
EX
11. The app performance is affected by a reference set (both) because:: Both entities needs to be joined with the
reference table and data transfer increases.
12. Adrian wants to select a staff member for a team. Which domain model would be suitable?
A: Staff * -> * Team
B: Staff * <- * Team: B
13. What type of domain model changes can have an impact on the data in the database?: Type changes and Structura
changes
14. What are the four stages of data conversion? (multiple answers are cor- rect): - Deploy and convert
- Clean up model
- Model the conversion
- Extend domain model
15. Why is it a best practice to redeploy your app after cleaning up the mod- el?: You might be confronted with
unexpected and/or complex sync behavior during a next deployment.
16. What does the function reverse() do?: It changes the direction in which the association is queried.
17. What is the best naming for a self-reference where the buddy is referenced by an apprentice?: Apprentice_Buddy
18. What is the correct XPath to retrieve the goals of the bud-
dy of an apprentice?: [SoccerSquad.Goal_Player/SoccerSquad.Player/Soccer- Squad.Apprentice_Buddy [reversed()]
= '[%CurrentObject%]']
19. When localize is set to No, the date displayed in the client is based on the:: UTC value
20. Localizing a DateTime attribute has an effect on:: Client representation
