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Terms in this set (94)
Inheritance is used to: B. Inherit the structure and behavior of an entity, so that all specializations can
A. Reuse attributes of an entity on other entities, so that be used individually within the same process.
you don't need to add and maintain them multiple
times.
B. Inherit the structure and behavior of an entity, so that
all specializations can be used individually within the
same process.
C. Keep your domain model maintainable by inheriting
the attributes and associations.
D. Inherit the history of an entity.
What is the result of generalizing the Player entity by C. Two tables, one per entity
the Person entity?
A. Three tables, one per entity plus a join table
B. A single link table to store the ID's of inherited
objects
C. Two tables, one per entity
D. A single table containing the Player and Person
attributes
What will happen to the ID's after generalizing the C. The ID's of Player and Staff will keep their own set and sequence and will
Player and Staff entities by the Person entity? equal the ID in the Person table.
A. There are no changes to the ID's when inheriting.
B. The ID of the Person part of a Player or Staff will
differ from the specialization part.
C. The ID's of Player and Staff will keep their own set
and sequence and will equal the ID in the Person table.
D. Same set and sequence for Player and Staff, the ID
of person will differ.
,Which statement is correct? A. A 1-1 association is a HAS and inheritance is an IS type of relation.
A. A 1-1 association is a HAS and inheritance is an IS
type of relation.
B. A 1-1 association and inheritance are both an HAS
type of relation.
C. A 1-1 association and inheritance are both an IS type
of relation.
D. A 1-1 association is an IS and inheritance is an HAS
type of relation.
Why is it a best practice to create a specialization of the A. It allows for better security and property configuration based on purpose.
FileDocument and Image entities?
A. It allows for better security and property
configuration based on purpose.
B. Otherwise you cannot store a file on an Amazon
server.
C. It is visually a better representation of the use case.
D. It is a UML standard.
What is the default value of the attribute B. false
DeleteAfterDownload?
A. true
B. false
Where are the file(s) or image(s) stored by default? C. On the file server located on the application server
A. On the local drive of the user
B. On a dedicated Amazon file server
C. On the file server located on the application server
D. As binary in the contents of an attribute
When it is better to place Indexes? C. If there are more Read than Write actions.
A. If a user starts complaining.
B. If you expect it might improve performance.
C. If there are more Read than Write actions.
D. If there are more Write than Read actions.
What happens when you apply an index? B. The speed of Read actions will increase.
A. The speed of Update and Inserts will increase.
B. The speed of Read actions will increase.
C. The speed of Read actions will decrease.
D. The speed of Write actions will increase.
The app performance is affected by a reference set D. Both entities needs to be joined with the reference table and data transfer
(both) because: increases.
A. You cannot store additional information in a
reference set (both).
B. The join table must be queried as well.
C. There is no impact on performance, this depends
only on how the association is queried.
D. Both entities needs to be joined with the reference
table and data transfer increases.
, What type of domain model changes can have an B. Type changes and Structural changes
impact on the data in the database?
A. Structural changes and Project changes
B. Type changes and Structural changes
C. Module changes and Project changes
D. Domain model changes and Type changes
What are the four stages of data conversion? (multiple C. Clean up model
answers are correct) D. Model the conversion
A. Search for good conversion tables E. Deploy and convert
B. Skip them all and just do it G. Extend domain model
C. Clean up model
D. Model the conversion
E. Deploy and convert
F. Sing a nice song
G. Extend domain model
Why is it a best practice to redeploy your app after A. You might be confronted with unexpected and/or complex sync behavior
cleaning up the model?
A. You might be confronted with unexpected and/or
complex sync behavior B. during a next deployment.
C. It is not considered a best practice; only junior
developers benefit from it.
It has always been done this way. Legacy support.
D. Obsolete data in the database cannot have security
applied and thus creates a security breach.
What does the function reversed() do? B. It changes the direction in which the association is queried.
A. It reverses the order of the returned list.
B. It changes the direction in which the association is
queried.
C. It reverses the time used for the query.
D. It reverses the previous query so that you can
execute it another time.
What is the best naming for a self-reference where the A. Apprentice_Buddy
buddy is referenced by an apprentice?
A. Apprentice_Buddy
B. Buddy_Apprentice
C. Person_Buddy
D. Person_Player
What is the correct XPath to retrieve the goals of the [SoccerSquad.Goal_Player/SoccerSquad.Player/SoccerSquad.Apprentice_Bud
buddy of an apprentice? dy [reversed()] = '[%CurrentObject%]']
[SoccerSquad.Goal_Player/SoccerSquad.Player/Soccer
Squad.Apprentice_Buddy = [reversed()]
'[%CurrentObject%]']
[SoccerSquad.Goal_Player/SoccerSquad.Player/Soccer
Squad.Apprentice_Buddy = '[%CurrentObject%]']
[SoccerSquad.Goal_Player/SoccerSquad.Player/Soccer
Squad.Apprentice_Buddy [reversed()] =
'[%CurrentObject%]']
[[reversed()]
SoccerSquad.Goal_Player/SoccerSquad.Player/Soccer
Squad.Apprentice_Buddy = '[%CurrentObject%]']
Complete Questions | With 100% Correct Answers graded
A+ Guaranteed Success!!
Leave the first rating
Save
Students also studied
Flashcard sets Study guides
TESTOUT PC PRO final exam quizlet... ISYE 6644 MIDTERM EXAM NEWES... ECE 404 : Exam 3 IFT
Teacher 16 terms Teacher 134 terms Teacher 88 terms Te
fred_moses Preview wonderfultike Preview Ramonamaia25 Preview
Terms in this set (94)
Inheritance is used to: B. Inherit the structure and behavior of an entity, so that all specializations can
A. Reuse attributes of an entity on other entities, so that be used individually within the same process.
you don't need to add and maintain them multiple
times.
B. Inherit the structure and behavior of an entity, so that
all specializations can be used individually within the
same process.
C. Keep your domain model maintainable by inheriting
the attributes and associations.
D. Inherit the history of an entity.
What is the result of generalizing the Player entity by C. Two tables, one per entity
the Person entity?
A. Three tables, one per entity plus a join table
B. A single link table to store the ID's of inherited
objects
C. Two tables, one per entity
D. A single table containing the Player and Person
attributes
What will happen to the ID's after generalizing the C. The ID's of Player and Staff will keep their own set and sequence and will
Player and Staff entities by the Person entity? equal the ID in the Person table.
A. There are no changes to the ID's when inheriting.
B. The ID of the Person part of a Player or Staff will
differ from the specialization part.
C. The ID's of Player and Staff will keep their own set
and sequence and will equal the ID in the Person table.
D. Same set and sequence for Player and Staff, the ID
of person will differ.
,Which statement is correct? A. A 1-1 association is a HAS and inheritance is an IS type of relation.
A. A 1-1 association is a HAS and inheritance is an IS
type of relation.
B. A 1-1 association and inheritance are both an HAS
type of relation.
C. A 1-1 association and inheritance are both an IS type
of relation.
D. A 1-1 association is an IS and inheritance is an HAS
type of relation.
Why is it a best practice to create a specialization of the A. It allows for better security and property configuration based on purpose.
FileDocument and Image entities?
A. It allows for better security and property
configuration based on purpose.
B. Otherwise you cannot store a file on an Amazon
server.
C. It is visually a better representation of the use case.
D. It is a UML standard.
What is the default value of the attribute B. false
DeleteAfterDownload?
A. true
B. false
Where are the file(s) or image(s) stored by default? C. On the file server located on the application server
A. On the local drive of the user
B. On a dedicated Amazon file server
C. On the file server located on the application server
D. As binary in the contents of an attribute
When it is better to place Indexes? C. If there are more Read than Write actions.
A. If a user starts complaining.
B. If you expect it might improve performance.
C. If there are more Read than Write actions.
D. If there are more Write than Read actions.
What happens when you apply an index? B. The speed of Read actions will increase.
A. The speed of Update and Inserts will increase.
B. The speed of Read actions will increase.
C. The speed of Read actions will decrease.
D. The speed of Write actions will increase.
The app performance is affected by a reference set D. Both entities needs to be joined with the reference table and data transfer
(both) because: increases.
A. You cannot store additional information in a
reference set (both).
B. The join table must be queried as well.
C. There is no impact on performance, this depends
only on how the association is queried.
D. Both entities needs to be joined with the reference
table and data transfer increases.
, What type of domain model changes can have an B. Type changes and Structural changes
impact on the data in the database?
A. Structural changes and Project changes
B. Type changes and Structural changes
C. Module changes and Project changes
D. Domain model changes and Type changes
What are the four stages of data conversion? (multiple C. Clean up model
answers are correct) D. Model the conversion
A. Search for good conversion tables E. Deploy and convert
B. Skip them all and just do it G. Extend domain model
C. Clean up model
D. Model the conversion
E. Deploy and convert
F. Sing a nice song
G. Extend domain model
Why is it a best practice to redeploy your app after A. You might be confronted with unexpected and/or complex sync behavior
cleaning up the model?
A. You might be confronted with unexpected and/or
complex sync behavior B. during a next deployment.
C. It is not considered a best practice; only junior
developers benefit from it.
It has always been done this way. Legacy support.
D. Obsolete data in the database cannot have security
applied and thus creates a security breach.
What does the function reversed() do? B. It changes the direction in which the association is queried.
A. It reverses the order of the returned list.
B. It changes the direction in which the association is
queried.
C. It reverses the time used for the query.
D. It reverses the previous query so that you can
execute it another time.
What is the best naming for a self-reference where the A. Apprentice_Buddy
buddy is referenced by an apprentice?
A. Apprentice_Buddy
B. Buddy_Apprentice
C. Person_Buddy
D. Person_Player
What is the correct XPath to retrieve the goals of the [SoccerSquad.Goal_Player/SoccerSquad.Player/SoccerSquad.Apprentice_Bud
buddy of an apprentice? dy [reversed()] = '[%CurrentObject%]']
[SoccerSquad.Goal_Player/SoccerSquad.Player/Soccer
Squad.Apprentice_Buddy = [reversed()]
'[%CurrentObject%]']
[SoccerSquad.Goal_Player/SoccerSquad.Player/Soccer
Squad.Apprentice_Buddy = '[%CurrentObject%]']
[SoccerSquad.Goal_Player/SoccerSquad.Player/Soccer
Squad.Apprentice_Buddy [reversed()] =
'[%CurrentObject%]']
[[reversed()]
SoccerSquad.Goal_Player/SoccerSquad.Player/Soccer
Squad.Apprentice_Buddy = '[%CurrentObject%]']
