Question 1

Regarding the following data model and its relations

choose the correct statement:

Options :

A : Patient records cannot be deleted unless we "rst delete the corresponding Visit and Disease records.

B : Deleting a Visit record will continue to guarantee referential integrity in the data model.

C : Deleting a Doctor record is only possible if we "rst delete the corresponding Visit records.

D : Deleting a Visit record will also delete the corresponding Doctor record.

Answer: A

Question 2

When building an SQL query what should you take into consideration to avoid performance issues?

Options :

A : None of the above.

B : The platform automatically optimizes SQL queries to fetch only fields that are going to be used on the context of the query so there is no need to optimize the select part of the query.

C : Create a database view to perform the query returning only the required fields.

D : Create a specific output structure with only the returned fields.

Answer: D

Question 3

A Site property is a good choice to store a global parameter that is changed regularly, as long as it has a simple type.

Options :

A : I agree, because site properties avoids the use of configuration tables for values that change regularly

B : I don't agree. Site properties can be used with values of simple and complex data types.

C : I don't agree. Changing site properties requires invalidating the eSpace cache, which is not efficient.

D : I agree. The change of a site property value is only done in the cache, making it a very fast operation.

Answer: C

Question 4

After consuming a WSDL SOAP web service, what does the "Update Web Reference" action in OutSystems do?

Options :

A : Refreshes the web service metadata and updates the structures and methods

B : Deletes the consumed web service reference

C : Changes the endpoint URL of the consumed web service

D : Adds new web service methods to the existing reference

Answer: A

Question 5

Consider an application composed of several modules. As development progresses, there's the need to create a new module, where most new developments are taking place?

Options :

A : We should separate that new module in another application until it is stable.

B : We should keep all modules together as that is the normal lifecycle of any application.

C : We should separate that new module and all its referenced modules of the application in another application until it is stable.

D : We should group all stable modules of each layer in their own applications.

Answer: C