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For simple business automation, what would you choose?

If the child object in a Master-Detail relationship needs to change its parent to a different master, what is the best approach?

What is the maximum number of SOQL queries that can be issued in a single synchronous Apex transaction?

You are writing a trigger that needs to gather all Account records associated with a list of incoming Contacts in a single SOQL query.

Set accountIds = new Set();
for (Contact con : Trigger.new) {
    if (con.AccountId != null) {
        accountIds.add(con.AccountId);
    }
}
List accounts = [SELECT Id, Name FROM Account WHERE Id IN :accountIds];

Question: What is the primary reason for using a Set rather than a List in this bulkified code?

You have two Lightning Web Components:

🔹 Parent Component
🔹 Child Component

The parent component needs to pass a recordId to the child component so that the child can display related information.

❓ Question:
Which decorator should be used in the child component to receive data from the parent?

2. By default, Apex test methods cannot access pre-existing data in your Salesforce organization. What is the minimum amount of code coverage required to deploy Apex to a production environment?

1. Which annotation is required to define an Apex class as a test class?