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A developer created a custom order management app that uses an Apex class. The order is represented by an Order object and an
OrderlItem object that has a master-detail relationship to Order. During order processing, an order may be split into multiple orders.
What should a developer do to allow their code to move some existing OrderItem records to a new Order record?
Allow Reparenting in Master-Detail Relationships:
In a master-detail relationship, the child record (in this case, OrderItem) is tightly bound to the parent record (Order).
By default, child records cannot be reassigned to a different parent record in master-detail relationships. However, enabling the 'Allow Reparenting' option on the master-detail field allows the child record (OrderItem) to be reparented to a different master record (Order).
This is the correct solution as it ensures that OrderItem records can be reassigned to a new Order without changing the structure of the relationship.
Why not the other options?
A . Add without sharing to the Apex class declaration:
Adding without sharing modifies sharing rules but does not affect the ability to reparent child records. This is unrelated to the issue described.
B . Change the master-detail relationship to an external lookup relationship:
Changing the relationship type is not necessary. Additionally, doing so could introduce unintended side effects, as master-detail relationships have features like roll-up summaries that are lost with a lookup relationship.
C . Create a junction object between OrderItem and Order:
Introducing a junction object is not required. This adds unnecessary complexity and deviates from the intended use of master-detail relationships.
A Next Best Action strategy uses an Enhance element that invokes an Apex method to determine a discount level for a Contact, based on a number of factors.
What is the correct definition of the Apex method?
A)
B)
C)
D)
A company's engineering department is conducting a month-long test on the scalability of an in-house-developed software that requires a cluster of 100 or more servers. Which of the following models is the best to use?
Infrastructure as a Service (IaaS) is the best model for the scenario described because it provides on-demand access to compute, storage, and networking resources that are ideal for a scalable server cluster. IaaS allows the engineering team to rent infrastructure resources without having to invest in physical hardware, making it perfect for temporary or fluctuating workloads, such as scalability testing.
Key Characteristics of IaaS:
Full control over the operating systems and applications running on the servers.
Flexible resource allocation to support high scalability.
Ideal for custom software testing where specific server configurations may be needed.
Why not the other options?
PaaS (Platform as a Service): While PaaS is excellent for application development and deployment, it abstracts the infrastructure layer, which would limit the engineering team's control over the cluster's configuration.
SaaS (Software as a Service): SaaS delivers fully managed applications, not infrastructure or testing environments. It's irrelevant for this use case.
BaaS (Backend as a Service): BaaS is tailored to mobile or web application backend development, providing APIs and pre-built services, not infrastructure for a server cluster.
Platform Developer Reference: While this question is broader than Salesforce-specific concepts, understanding IaaS vs. PaaS is relevant when working with Salesforce development. For example:
Salesforce operates as a PaaS (e.g., Force.com platform), allowing developers to build and deploy applications without managing underlying servers.
Testing scalability and performance at an infrastructure level (as in the question) would fall under IaaS concepts, which Salesforce developers might encounter when integrating external services or infrastructure like AWS, Azure, or Google Cloud.
This foundational knowledge complements your understanding of cloud services in the Salesforce ecosystem.
