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