Which of the following steps is necessary to create a 1-to-l relationship between Entity A and Entity B?

Which of the following steps is necessary to create a 1-to-l relationship between Entity A and Entity B?

A. Set the data type of the identifier attribute of Entity B to Entity A Identifier.

B. Add a new Entity C, with two reference attributes of type Entity A Identifier and Entity B U Identifier.

C. Add a new reference attribute of type Entity B Identifier to Entity A.

D. Add a new Entity C, with the identifier attribute being a composition of types Entity A Identifier and Entity B Identifier.

Answer: A

How is the data fetched by an Aggregate bound to a Table or a List widget?

How is the data fetched by an Aggregate bound to a Table or a List widget?
A . By setting the Source property of the widget to the output of the Aggregate.
B. By creating a Screen Action that programmatically assigns the widget to the data fetched by the Aggregate.
C. The binding is done automatically since the Aggregate is in the scope of the Screen.
D. By adding an Expression inside the widget that refers to an attribute of the data fetched by the Aggregate.

Answer: A

Regarding Sorting in Aggregates, which of the following options is correct?

Regarding Sorting in Aggregates, which of the following options is correct?
A . Aggregates only support one sorting criterion.
B. It is only possible to set multiple sorting criteria if duplicate records exist in the entity.
C. If more than one sorting criterion is defined, all of them must have the same direction (ascending or descending).
D. It is mandatory to set the direction for all sorting criteria (ascending or descending).

Answer: D