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| Certification Vendor: | Salesforce |
|---|---|
| Exam Name: | Salesforce Certified Platform Developer I |
| Exam Number: | PDI |
| Certificate Validity Period: | 2 years |
| Exam Format: | Multiple Select, Multiple Choice |
| Related Certifications: | Application Architect Platform Developer II (PDII) System Architect |
| Available Languages: | English, Spanish, Portuguese (Brazil), German, Japanese, Simplified Chinese |
| Exam Price: | $200 USD |
| Passing Score: | 68% |
| Real Exam Qty: | 60 |
| Exam Duration: | 105 minutes |
| Sample Questions: | Salesforce PDI Sample Questions |
| Exam Way: | Online proctored (PSI) or in-person testing center |
| Pre Condition: | None required. It is recommended to have 1-2 years of hands-on experience with the Salesforce platform before attempting the exam. |
| Official Syllabus URL: | https://trailhead.salesforce.com/credentials/platform-developer-one |
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Salesforce PDI (Platform Developer I) certification is an industry-recognized certification that validates the skills and knowledge of developers who build custom applications on the Salesforce platform. Platform Developer I (PDI) certification is intended for individuals who have experience in developing custom applications using Apex and Visualforce. The PDI certification exam is designed to test the skills needed to develop custom applications on the Salesforce platform using Apex, Visualforce, and the Force.com platform.
Salesforce PDI Exam Tests a candidate's knowledge of key concepts and features of the Salesforce platform. These concepts include data modeling, logic and process automation, user interface customization, and testing and debugging. PDI exam also evaluates a candidate's ability to design and develop custom applications using Apex and Visualforce.
NEW QUESTION # 154
Universal Containers has implemented an order management application. Each Order can have one or more Order Line items. The Order Line object is related to the Order via a master-detail relationship. For each Order Line item, the total price is calculated by multiplying the Order Line item price with the quantity ordered.
What is the best practice to get the sum of all Order Line item totals on the Order record?
Answer: D
NEW QUESTION # 155
An Opportunity needs to have an amount rolled up from a custom object that is not in a master-detail relationship.
How can this be achieved?
Answer: D
Explanation:
When an Opportunity needs to have an amount rolled up from a custom object that is not in a master-detail relationship, the best approach is to:
Option B: Write a trigger on the child object and use an aggregate function to sum the amount for all related child objects under the Opportunity.
Roll-Up Summary Fields Limitation: Roll-up summary fields can only be created on master-detail relationships. Since the custom object is in a lookup relationship with Opportunity (not master-detail), roll-up summary fields are not available.
"Roll-up summary fields can only be created on master-detail relationships."
- Salesforce Help: Define Roll-Up Summary Fields
Trigger on Child Object: Writing a trigger on the child object (the custom object) allows you to execute logic whenever a child record is inserted, updated, or deleted.
Aggregate Function: Within the trigger, you can use SOQL aggregate functions (like SUM()) to calculate the total amount of all child records related to the Opportunity and update the parent Opportunity record accordingly.
trigger ChildObjectTrigger on ChildObject__c (after insert, after update, after delete, after undelete) { Set<Id> oppIds = new Set<Id>(); if(Trigger.isInsert || Trigger.isUpdate || Trigger.isUndelete){ for(ChildObject__c child : Trigger.new){ oppIds.add(child.Opportunity__c);
}
}
if(Trigger.isDelete){
for(ChildObject__c child : Trigger.old){
oppIds.add(child.Opportunity__c);
}
}
List<Opportunity> oppsToUpdate = new List<Opportunity>();
for(Id oppId : oppIds){
Decimal totalAmount = [SELECT SUM(Amount__c) FROM ChildObject__c WHERE Opportunity__c = :oppId]; Opportunity opp = new Opportunity(Id = oppId, Total_Child_Amount__c = totalAmount); oppsToUpdate.add(opp);
}
update oppsToUpdate;
}
Why Other Options Are Incorrect:
Option A: Use the Streaming API to create real-time roll-up summaries.
The Streaming API is designed for receiving notifications of data changes in Salesforce and is not suitable for calculating roll-up summaries.
"The Streaming API enables streaming of events using push technology and provides a subscription mechanism for receiving events in near real time."
- Salesforce Developer Guide: Streaming API
Option C: Use the Metadata API to create real-time roll-up summaries.
The Metadata API is used for deploying and retrieving metadata (like custom fields, layouts) between orgs and does not perform data calculations.
"Use Metadata API to retrieve, deploy, create, update, or delete customization information, such as custom object definitions and page layouts, for your org."
- Salesforce Developer Guide: Metadata API
Option D: Write a trigger on the Opportunity object and use tree sorting to sum the amount for all related child objects under the Opportunity.
Writing a trigger on the Opportunity object would not effectively capture changes made to child records, as triggers on the parent do not fire when child records are modified.
Tree sorting is not a standard technique in Apex for summing related records.
Conclusion:
Writing a trigger on the child object is the most effective way to sum amounts from child records and update the parent Opportunity when a master-detail relationship is not present.
NEW QUESTION # 156
A developer needs to create a baseline set of data (Accounts, Contacts, Products, Assets) for an entire suite of tests allowing them to test independent requirements various types of Salesforce Cases. Which approach can efficiently generate the required data for each unit test?
Answer: D
NEW QUESTION # 157
A Licensed_Professional__c custom object exist in the system with two Master-Detail fields for the following objects: Certification__c and Contact. Users with the "Certification Representative" role can access the Certification records they own and view the related Licensed Professionals records, however users with the
"Salesforce representative" role report they cannot view any Licensed professional records even though they own the associated Contact record. What are two likely causes of users in the "Sales Representative" role not being able to access the Licensed Professional records? Choose 2 answers
Answer: C,D
NEW QUESTION # 158
Universal Containers hires a developer to build a custom search page to help users find the Accounts they want. Users will be able to search on Name, Description, and a custom comments field.
Which consideration should the developer be aware of when deciding between SOQL and SOSL?
Choose 2 answers
Answer: B,D
Explanation:
* SOSL:
* Designed for full-text searches, making it faster for unstructured or broad text searches across multiple objects.
* Ideal for searching multiple fields simultaneously.
* SOQL:
* Optimized for structured queries where you need more control over filtering and relationships.
* Can return up to 50,000 records in a single query, while SOSL returns only 2,000.
* C and D are incorrect because SOSL is faster for text searches, not SOQL.
* SOQL vs. SOSL: https://developer.salesforce.com/docs/atlas.en-us.soql_sosl.meta/soql_sosl
/sforce_api_calls_soql_sosl_intro.htm
Why Not Other Options?References:
NEW QUESTION # 159
......
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