Mendix Advanced
Inheritance is used to: - ANSInherit 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? - ANSTwo tables,
one per entity
What will happen to the ID's after generalizing the Player and Staff entities by the Person
entity? - ANSThe 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? -
ANSIt allows for better security and property configuration based on purpose.
What is the default value of the attribute DeleteAfterDownload? - ANSfalse
Where are the file(s) or image(s) stored by default? - ANSOn the file server located on the
application server
When it is better to place Indexes? - ANSIf there are more Read than Write actions.
What happens when you apply an index? - ANSThe speed of Read actions will increase.
What is the result of the association in the image below? - ANSA list of ID's in the Staff
object.
The app performance is affected by a reference set (both) because: - ANSBoth 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 - ANSB
What type of domain model changes can have an impact on the data in the database? -
ANSType 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? - ANSYou might
be confronted with unexpected and/or complex sync behavior during a next deployment.
What does the function reverse() do? - ANSIt 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? - ANSApprentice_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%]']
When localize is set to No, the date displayed in the client is based on the: - ANSUTC value
Localizing a DateTime attribute has an effect on: - ANSClient representation
If both the App and User time zones are set, the value of the localized DateTime attribute
displayed in the client depends on: - ANSThe Client time zone
Jane in the Amsterdam time zone [UTC +2] selects 07/11/2020 in a date picker for a
non-localized attribute. What will be the value stored in the database? - ANS07/11/2020
12:00 AM
Nick in the Amsterdam time zone [UTC +2] selects 07/11/2020 in a date picker for a
non-localized attribute. What will be the date value if Nick converts it to a string in a
microflow using formatDateTime? - ANS07/11/2020 02:00 AM
The Mendix Client is: - ANSBuilt on a combination of HTML, CSS, and JavaScript and runs
in your browser.
Static resources in Mendix: - ANSInclude stylesheets transmitted in CSS format to the client.
The Communication between the Mendix Runtime and Database Server: - ANSIncludes
communication between the supported database servers using JDBC.
What is NOT an advantage of using the database source option versus the XPath option? -
ANSThe database source option can be used to specify constraints that span entities.
When you want to show a list of shipped orders, will the Database data source generate a
different request than the XPath data source option? - ANSNo, the database data source will
always lead to the same request as the XPath data source.
Inheritance is used to: - ANSInherit 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? - ANSTwo tables,
one per entity
What will happen to the ID's after generalizing the Player and Staff entities by the Person
entity? - ANSThe 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? -
ANSIt allows for better security and property configuration based on purpose.
What is the default value of the attribute DeleteAfterDownload? - ANSfalse
Where are the file(s) or image(s) stored by default? - ANSOn the file server located on the
application server
When it is better to place Indexes? - ANSIf there are more Read than Write actions.
What happens when you apply an index? - ANSThe speed of Read actions will increase.
What is the result of the association in the image below? - ANSA list of ID's in the Staff
object.
The app performance is affected by a reference set (both) because: - ANSBoth 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 - ANSB
What type of domain model changes can have an impact on the data in the database? -
ANSType 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? - ANSYou might
be confronted with unexpected and/or complex sync behavior during a next deployment.
What does the function reverse() do? - ANSIt 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? - ANSApprentice_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%]']
When localize is set to No, the date displayed in the client is based on the: - ANSUTC value
Localizing a DateTime attribute has an effect on: - ANSClient representation
If both the App and User time zones are set, the value of the localized DateTime attribute
displayed in the client depends on: - ANSThe Client time zone
Jane in the Amsterdam time zone [UTC +2] selects 07/11/2020 in a date picker for a
non-localized attribute. What will be the value stored in the database? - ANS07/11/2020
12:00 AM
Nick in the Amsterdam time zone [UTC +2] selects 07/11/2020 in a date picker for a
non-localized attribute. What will be the date value if Nick converts it to a string in a
microflow using formatDateTime? - ANS07/11/2020 02:00 AM
The Mendix Client is: - ANSBuilt on a combination of HTML, CSS, and JavaScript and runs
in your browser.
Static resources in Mendix: - ANSInclude stylesheets transmitted in CSS format to the client.
The Communication between the Mendix Runtime and Database Server: - ANSIncludes
communication between the supported database servers using JDBC.
What is NOT an advantage of using the database source option versus the XPath option? -
ANSThe database source option can be used to specify constraints that span entities.
When you want to show a list of shipped orders, will the Database data source generate a
different request than the XPath data source option? - ANSNo, the database data source will
always lead to the same request as the XPath data source.
