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NEW QUESTION # 25
A developer tasked with creating a schema to track Movies, Actors, and contracts. A single movie can have many contracts and a single actor can have many contracts. Each contract is owned and actively managed by a single user. Which schema should be created to enable user to easily manage the contract they own; without requiring access to the movie or the actor records?
Answer: C
NEW QUESTION # 26
A developer is implementing an Apex class for a financial system. Within the class, the variables 'creditAmount' and 'debitAmount' should not be able to change once a value is assigned.
In which two ways can the developer declare the variables to ensure their value can only be assigned one time?
Choose 2 answers
Answer: A,C
NEW QUESTION # 27
A Visualforce page is required for displaying and editing Case records that includes both standard and custom functionality defined in an Apex class called myControllerExtension.
The Visualforce page should include which <apex:page> attribute(s) to correctly implement controller functionality?
Answer: B
NEW QUESTION # 28
What are two characteristics related to formulas?
Choose 2 answers
Answer: A,C
Explanation:
A: Formula fields are calculated at runtime based on the formula definition and are not stored in the database.
C: Formula fields can reference fields from related objects, allowing cross-object calculations.
Why not other options?
B: Formulas cannot reference themselves; doing so would result in a circular reference error.
D: If a field used in a formula field is deleted, the formula field will break, and Salesforce will prevent deletion until the formula field is updated.
Formula Fields Documentation
NEW QUESTION # 29
The Account object in an organization has a master-detail relationship to a child object called Branch. The following automations exist:
* Roll-up summary fields
* Custom validation rules
* Duplicate rules
developer created a trigger on the Account object.
Which two things should the developer consider while testing the trigger code?
Choose 2 answers
Answer: A,C
Explanation:
A . Roll-up summary fields can cause the parent record to go through Save:
When a roll-up summary field on a parent object (like Account) is updated due to changes in child records (like Branch), the parent record (Account) is implicitly saved again.
This can result in the execution of the trigger on the parent object. Developers must consider this behavior to avoid unintended recursion or infinite loops.
Reference:
C . The trigger may fire multiple times during a transaction:
Triggers can execute multiple times within a single transaction, especially when there are operations such as updates to the parent record caused by roll-up summary fields or workflows.
Developers should implement logic to ensure that the trigger handles multiple executions correctly (e.g., using a static variable to prevent recursion).
Why not the other options?
B . Duplicate rules are executed once all DML operations commit to the database:
This is incorrect because duplicate rules execute before the DML operation is committed. Duplicate rules prevent duplicate records from being created or updated before the database operation occurs.
D . The validation rules will cause the trigger to fire again:
This is incorrect because validation rules do not cause triggers to fire again. Validation rules validate the record and may prevent DML operations, but they do not independently re-trigger the Apex trigger.
Trigger Context and Recursion
Roll-Up Summary Field Documentation
NEW QUESTION # 30
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