Mendix Advanced Questions And Answers Solved 100% Correct!!

Inheritance is used to: - Answer-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? - Answer-Two tables, one per entity What will happen to the ID's after generalizing the Player and Staff entities by the Person entity? - Answer-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. - Answer-- 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? - Answer-It allows for better security and property configuration based on purpose. What is the default value of the attribute DeleteAfterDownload? - Answer-false Where are the file(s) or image(s) stored by default? - Answer-On the file server located on the application server When it is better to place Indexes? - Answer-If there are more Read than Write actions. What happens when you apply an index? - Answer-The speed of Read actions will increase.What is the result of the association in the image below? - Answer-A list of ID's in the Staff object. The app performance is affected by a reference set (both) because: - Answer-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 - Answer-B What type of domain model changes can have an impact on the data in the database? - Answer-Type changes and Structural changes What are the four stages of data conversion? (multiple answers are correct) - Answer-- 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? - Answer-You might be confronted with unexpected and/or complex sync behavior during a next deployment. What does the function reverse() do? - Answer-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? - AnswerApprentice_Buddy What is the correct XPath to retrieve the goals of the buddy of an apprentice? - Answer- [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: - Answer-UTC valueLocalizing a DateTime attribute has an effect on: - Answer-Client representation If both the App and User time zones are set, the value of the localized DateTime attribute displayed in the client depends on: - Answer-The 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? - Answer-07/11/2020 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? - Answer-07/11/2020 02:00 AM The Mendix Client is: - Answer-Built on a combination of HTML, CSS, and JavaScript and runs in your browser. Static resources in Mendix: - Answer-Include stylesheets transmitted in CSS format to the client. The Communication between the Mendix Runtime and Database Server: - Answer-Includes communication between the supported database servers using JDBC. What is NOT an advantage of using the database source option versus the XPath option? - Answer-The 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? - Answer-No, the database data source will always lead to the same request as the XPath data source. Which of the following is not a possible source of data for a microflow? - Answer-A page passed as input parameter by another microflow.Is the following statement true or false? By association will always be an in-memory retrieve. - AnswerFalse, if objects aren't available in memory, a retrieve by association will automatically result in a database retrieve. Is there ever a reason to retrieve an object from database instead of over association? - Answer-Yes, in cases where constraints other than a single association are applicable or where stored database values are required. In which microflow will the combination retrieve and aggregation be optimized? - Answer-A (aggregated list not used later in flow) What is an important rule to keep in mind when creating effective indexes? - Answer-The index should have the same order of attributes defined as in search and retrieve queries in order to be available for queries. Which of the following is NOT a benefit that XPath provides to the Mendix Platform? - Answer-XPath can be used to automatically generate pages and widgets to show data on.